it should be carbon dioxide and water
how much current would be measured in a circuit if the light bulb has a resistance of 6 ohms and a voltage of 36 volts
Answer:
The right response is "6 A". A further explanation is given below.
Explanation:
The given values are:
Resistance,
R = 6 ohms
Voltage,
V = 36 volts
As we know,
⇒ [tex]V=IR[/tex]
then,
⇒ [tex]I=\frac{V}{R}[/tex]
On substituting the values, we get
⇒ [tex]=\frac{36}{6}[/tex]
⇒ [tex]=6 \ A[/tex]
True or false:
a. Anions are larger than their corresponding neutral atoms.
b. Ca2+ is smaller than Ca.
A. a= true; b = true
B. a= false; b = false
C. a= true; b = false
D. a= false; b = true
The correct option is C. a= true; b = false. The statement "Anions are larger than their corresponding neutral atoms" is true, and the statement "Ca2+ is smaller than Ca" is false.
a. Anions are larger than their corresponding neutral atoms.
This statement is true. When an atom gains one or more electrons to become an anion, the increased electron-electron repulsion causes the electron cloud to expand. As a result, the radius of the anion becomes larger than that of the neutral atom.
b. Ca2+ is smaller than Ca.
This statement is false. When an atom loses one or more electrons to become a cation, the electron-electron repulsion decreases, causing the remaining electrons to be drawn closer to the nucleus. As a result, the radius of the cation becomes smaller than that of the neutral atom. Therefore, Ca2+ is smaller than Ca.
The statement "Anions are larger than their corresponding neutral atoms" is true, and the statement "Ca2+ is smaller than Ca" is false. Therefore, the correct option is C. a= true; b = false.
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Which of the following ionic compounds will be more soluble in acid solution than in water?
O CuI
O PbCl2
O Fe(OH)3
O CaCO3
In comparison to the other ionic compounds, CaCO₃ is more soluble in acid solution.
Calcium carbonate (CaCO₃) is sparingly soluble in water. It undergoes a limited degree of dissociation and forms a weakly soluble salt.
However, when CaCO₃ is exposed to an acid solution, such as hydrochloric acid (HCl), it reacts to form a soluble salt, calcium chloride (CaCl₂), carbon dioxide (CO₂), and water (H2O). The following illustrates the reaction:
[tex]CaCO_3 + 2HCl \rightarrow CaCl_2+ CO_2 + H_2O[/tex]
Increased solubility of the CaCO₃ is the result of this reaction, which makes it easier for it to dissolve in an acidic solution as opposed to water.
Contrarily, the solubility of CuI (copper(I) iodide), PbCl₂ (lead(II) chloride), and Fe(OH)₃ (iron(III) hydroxide) in water and acid is limited and they are not greatly influenced by acid solutions.
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True or False - Every gas has a unique set of spectral lines that help identify the gas.
Every gas has a unique set of spectral lines that help identify the gas is a true statement.
Why do elements have different spectral lines?A spectral line is a dark or bright line that appears in an otherwise uniform and continuous spectrum as a result of light being emitted or absorbed at a narrow frequency range as opposed to frequencies close by.
Note that a lot of element has a distinct line spectrum, which is known as the "fingerprint" of that element. Because each element has a different amount of electrons and hence a diverse range of energy levels, each one's spectra are distinctive.
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PLZ HELP!
Are water waves transverse or longitudinal? How do you know? IN YOUR OWN WORDS.
Answer:
sound waves in air and water are longitudinal. Their disturbances are periodic variations in pressure that are transmitted in fluids. Figure 13.5 the wave on a guitar string is transverse
What are three main ocean currents?
which member of each pair of compounds forms intermolecular H bonds?
A) (CH3)2NH or (CH3)3N
B) HOCH2CH2OH or FCH2CH2F
The compounds that can can form intermolecular hydrogen bonds are,
A) (CH₃)₂NH
B) HOCH₂CH₂OH
A) (CH₃)₂NH or (CH₃)₃N: The compound that can form intermolecular hydrogen bonds is (CH₃)₂NH. In this compound, the presence of a lone pair of electrons on the nitrogen atom allows it to act as a hydrogen bond acceptor. Hydrogen bonds can form between the hydrogen atom in (CH₃)₂NH and a hydrogen bond donor, such as a molecule with an electronegative atom (e.g., oxygen or nitrogen) bonded to a hydrogen atom.
B) HOCH₂CH₂OH or FCH₂CH₂F: The compound that can form intermolecular hydrogen bonds is HOCH₂CH₂OH. In this compound, there are two hydrogen bond donors (the hydroxyl groups) and two hydrogen bond acceptors (the oxygen atoms). Hydrogen bonds can form between the hydrogen atoms in HOCH₂CH₂OH and the oxygen atoms of other molecules.
Therefore, the compounds (CH₃)₂NH and HOCH₂CH₂OH can form intermolecular hydrogen bonds."
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true or false. you can visualize a single nucleotide change through gel electrophoresis.
The statement "You can visualize a single nucleotide change through gel electrophoresis" is false.
Gel electrophoresis is a method for separating DNA fragments by size, not for visualizing single nucleotide changes. To visualize single nucleotide changes, other methods like DNA sequencing are used.Gel electrophoresis is a method of separating molecules according to their size and electrical charge. DNA fragments are loaded onto a gel, and an electric field is applied to move the fragments through the gel matrix. The smaller fragments will travel faster and end up at the bottom of the gel while the larger ones will remain closer to the top. The gel can then be stained with a dye such as ethidium bromide to visualize the bands.However, gel electrophoresis cannot visualize single nucleotide changes. To do this, other methods like DNA sequencing or hybridization probes are used. DNA sequencing directly reads the DNA sequence and can identify individual nucleotide changes. Hybridization probes are small pieces of DNA that are designed to bind to a specific sequence of nucleotides and can be labeled with a fluorescent marker to visualize the presence or absence of a specific sequence or mutation.
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The conjugate pair for a strong base is -
O a strong base
O a weak acid
a strong acid
O a weak base
What is the gravitational potential energy of a box that is 2.9 m off the ground and a mass of 12.5 kg? * 20 points
Answer:
362,5J
Explanation:
formula for calculating Gravitational Potential Energy is mass×gravitational field strength ×height
12.5×10×2.9=362,5J
Define respiration in plants:
Define Transpiration in plants:
( Can’t be short has to at least be long or medium sized )
Answer:
Respiration in plants: The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. In many ways, respiration is the opposite of photosynthesis. ... As with photosynthesis, plants get oxygen from the air through the stomata.
Transpiration in plants: The water eventually is released to the atmosphere as vapour via the plant's stomata — tiny, closeable, pore-like structures on the surfaces of leaves. Overall, this uptake of water at the roots, transport of water through plant tissues, and release of vapour by leaves is known as transpiration.
Sources (jic)
https://www.usgs.gov/special-topic/water-science-school/science/evapotranspiration-and-water-cycle
https://www.pthorticulture.com/en/training-center/basics-of-plant-respiration/
Good luck!!
What do these two changes have in common? snails growing shells a slice of banana turning brown
Answer:
both are done due to the enviroment??
How many grams is 0.02 moles of CuCl2
Answer:
2.69g
Explanation:
The molar masses of
Cu = 63.5
Cl = 35.5
So the molar mass of [tex]CuCl_{2}[/tex] is 63.5 + (35.5 x 2) = 134.5
134.5 x 0.02 = 2.69g
Which part of the nervous system analyzes the information and initiates a response
Answer:
CNS (central nervous system)
Explanation:
The central nervous system is responsible for integrating sensory information and responding accordingly.
Neurons (specialized cells of the nervous system ) send signals along thin fibers called axons and communicate with other cells by releasing chemicals called neurotransmitters at cell-cell junctions called synapses.
what is the difinition of the word democracy?
Answer:
Democracy/dɪˈmɒkrəsi/
--noun--
A system of government by the whole population or all the eligible members of a state, typically through elected representatives.
Which of the following is a nonelectrolyte in aqueous solution?
a) NH4F
b) NH4Cl
c)NaHS
d)CH4
e)Na2S
The one which is a non-electrolyte in aqueous solution among the options is the compound (d) CH4 is the non-electrolyte in aqueous solution.
A non-electrolyte is a substance that does not dissociate into ions when dissolved in water, meaning it does not conduct electricity. In the case of the options provided:
a) NH4F: This compound dissociates into ammonium ions (NH4+) and fluoride ions (F-) in water, making it an electrolyte.
b) NH4Cl: This compound dissociates into ammonium ions (NH4+) and chloride ions (Cl-) in water, making it an electrolyte.
c) NaHS: This compound dissociates into sodium ions (Na+) and hydrogen sulfide ions (HS-) in water, making it an electrolyte.
d) CH4: Methane does not dissociate into ions in water and does not conduct electricity, making it a non-electrolyte.
e) Na2S: This compound dissociates into sodium ions (Na+) and sulfide ions (S2-) in water, making it an electrolyte.
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1. In nature, most organisms produce through sexual reproduction. However, there are some that undergo (4)_____. Plants like strawberries and potatoes grow without seeds and spores, instead of using (5)____. In (6)______, you have a single-celled organism that copies the information inside of itself and divides into two identical organisms. Through (7)______, new organisms like yeast grow on parent organisms and split off once they're mature enough to survive independently. This isn't to be confused with (8)_____, which involves organisms splitting apart and growing independently of one another.
Word Bank for #4-8:
• budding
• binary fission
• vegetative propagation
• asexual reproduction
• fragmentation
Answer:
(4) asexual reproduction (5) vegetative propagation (6) binary fission (7) budding (8) fragmentation
The correct words to fill the given blanks would be as follows:
4). A-s-e-x-u-a-l reproduction.
5). Vegetative propagation.
6) Binary fission
7). Budding
8) Fragmentation
Reproduction
Reproduction is denoted as the process by which living organisms generate their younger beings.
Some organisms generate through s-e-x-u-a-l mediums while others generate through the A-s-e-x-u-a-l process.
The a-s-e-x-u-a-l methods of reproduction include:
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The increase in the rate of solvation with a rise in solvent temperature is mainly due to a(n)
a. increase in the activaton energy
b. increase in the movement of molecules leading to more collisions.
c. None of the above
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given your answer in 2, would you expect the rate of the acid catalyzed dehydration of 1-methylcyclohexanol, to be slower, faster, or about the same as for cyclohexanol? explain your answer.
The rate of the acid-catalyzed dehydration of 1-methylcyclohexanol would be faster compared to that of cyclohexanol. This can be attributed to the presence of the methyl group ([tex]CH_{3}[/tex]) in 1-methylcyclohexanol.
The methyl group is an electron-donating group that increases the electron density on the adjacent carbon atom.
As a result, the carbon-hydrogen bond adjacent to the hydroxyl group becomes weaker and more susceptible to acid-catalyzed dehydration.
Therefore, the presence of the methyl group enhances the reactivity of 1-methylcyclohexanol compared to cyclohexanol, leading to a faster rate of dehydration.
The electron-donating nature of the methyl group promotes the departure of the hydroxyl group and facilitates the formation of the double bond.
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What is the standard free-energy change ΔG° at 25°C for the following reaction? H2(g) + Br2(l) → 2HBr(g) Calculate the value of the thermodynamic equilibrium constant K. ΔG°f (HBr(g)) = -53.50 kJ/mol ΔG° = ___ kJ K = ___
The standard free-energy change ΔG° at 25°C for the reaction H2(g) + Br2(l) → 2HBr(g) is -95.6 kJ/mol. The thermodynamic equilibrium constant K is 1.1 × 10^8.
To calculate ΔG°, we need to know the value of R and the temperature in Kelvin. The gas constant R is approximately 8.314 J/(mol·K), and to convert 25°C to Kelvin, we add 273.15 to the temperature, giving us 298.15 K. Plugging these values into the equation, we can solve for ΔG°.
Once we have the value of ΔG°, we can rearrange the equation ΔG° = -RT ln(K) to solve for K. Rearranging the equation gives us K = e^(-ΔG°/(RT)), where e is the base of the natural logarithm.
Therefore, in order to provide the specific value of ΔG° and calculate K, we need the standard free-energy change ΔG° at 25°C for the reaction H2(g) + Br2(l) → 2HBr(g).
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Identify which of the following functions are eigenfunctions of the operator d/dx: (a) eᶦᵏˣ, (b) cos kx, (c) k, (d) kx, (e) e⁻ᵃˣ^². Give the corresponding eigenvalue where appropriate.
Among the given functions, (a) e^ikx, (c) k, and (d) kx are eigenfunctions of the operator d/dx. The corresponding eigenvalues are (a) ik, (c) 0, and (d) k, respectively.
To determine whether a function is an eigenfunction of the operator d/dx, we need to check if applying d/dx to the function yields a scalar multiple of the original function.
(a) For the function e^ikx, we have d/dx(e^ikx) = ike^ikx. This shows that e^ikx is an eigenfunction of d/dx with an eigenvalue of ik.
(b) Taking the derivative of cos(kx) with respect to x gives us -ksin(kx), which is not proportional to the original function. Therefore, cos(kx) is not an eigenfunction of d/dx.
(c) For the constant function k, d/dx(k) = 0. This implies that k is an eigenfunction of d/dx with an eigenvalue of 0.
(d) The function kx has a derivative of d/dx(kx) = k. Hence, kx is an eigenfunction of d/dx with an eigenvalue of k.
(e) The derivative of e^(-ax^2) with respect to x is -2axe^(-ax^2). Since -2ax is not proportional to e^(-ax^2), e^(-ax^2) is not an eigenfunction of d/dx.
(a) e^ikx, (c) k, and (d) kx are eigenfunctions of d/dx, with corresponding eigenvalues of (a) ik, (c) 0, and (d) k, respectively. On the other hand, (b) cos(kx) and (e) e^(-ax^2) are not eigenfunctions of d/dx.
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a) how many moles of electrons are transferred when the equation is balanced using the smallest whole-number coefficients?
A chemical equation must balance according to the rule of conservation of mass. According to the rule, mass cannot be generated or removed during a chemical process. Here the number of moles of electrons transferred in the given equation is 6.
A chemical equation is said to be balanced if the quantity of each type of atom in the reaction is the same on both the reactant and product sides. In a balanced chemical equation, the mass and charge are both equal.
The numbers which are used to balance the given chemical equation are known as the coefficients.
Here the balanced equation is:
Al³⁺ (aq) + Hg(s) → Al(s) + Hg²⁺(aq)
The oxidation and reduction half-reactions are:
Oxidation eqn: Al³⁺ + 3e⁻ → Al(s)
Reduction eqn: Hg(s) → Hg²⁺(aq) + 2e⁻
However, we need to balance equations to have an equal number of electrons. The least common multiple of 3 and 2 is 6, so you'll need to multiply the equations accordingly.
Oxidation eqn: Al³⁺ + 3e⁻ → Al(s)) ₓ 2
Reduction eqn: Hg(s) → Hg²⁺ (aq) + 2e⁻ ) ₓ 3
Oxidation eqn: 2Al³⁺ + 6e⁻ → 2Al(s)
Reduction eqn: 3Hg(s) → 3Hg²⁺(aq) + 6e⁻
The electrons transferred is 6.
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Your question is incomplete, most probably your full question was:
how many moles of electrons are transferred when the equation Al³⁺ (aq) + Hg(s) → Al(s) + Hg²⁺(aq) is balanced using the smallest whole-number coefficients.
3. A volume of gas at 1.65 atm was measured at 27°C and 343 mL. What will be the volume if the gas
is cooled to -12°C and the pressure is adjusted to 2.10 atm?
Answer:
Homework hint: P1V1 = nRT1 and V1, n, and R are constant. Remember to use Kelvin.
A ballon filled with helium a pure substance or a mixture?
Answer:
Balloon filled with helium is not a mixture because the gas in it consists of solely helium atoms.
Explanation:
Explanation:
An element is a pure substance as well, because if we fill up a balloon with just helium gas, it will only contain helium atoms.
How many molecules is 6.11 moles of Zn?
The answer is 0.015295197308045
We assume you are converting between moles Zinc and gram. You can view more details on each measurement unit: molecular weight of Zinc or grams The molecular formula for Zinc is Zn
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Question: The cell shown in the picture has no nucleus, but can reproduce rapidly in the human body causing illness if left untreated. This cell is most like from which Domain?
Answer:
asexual cell
Explanation:there are mainly 2 types sexual and asexual i would say asexual because they grow without another parent and don't have a nucleus.
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You are asked to make 500. mL of a 0.250 M NaCl solution. How many moles of NaCl would you need?
The moles of sodium chloride we need to make 500mL solution is 0.125 mole.
What is molarity?Molarity of any solution tells about the concentration and it is define as the no. of moles of solute present in per liter of solution, and it is represented as:
M = n/V, where
M = molarity of given NaCl solution = 0.250M
V = volume of NaCl solution = 500mL = 0.5L
No we put these values on the above equation and calculate for n, we get:
n = (0.250M)(0.5L) = 0.125 mole
Hence, required moles of NaCl is 0.125 mole.
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In the presence of large excesses of I^-1 ion, the following set of data is obtained. What is the average rate of disappearance of H2O2(aq) in M/s in the first 45.0 seconds of the reaction if 1.00L of H2O2 reacts at 25C and 1.00atm pressure? Time(s) | O2(g) Collected (mL) 0.0 0.0 45.0 2.00 90.0 4.00 135.0 6.00 A) 9.09 x 10^-7 B) 1.64 x 10^4 C) 4.33 x 10^-5 D) 3.63 x 10^-6
To calculate the average rate of disappearance of H2O2(aq) in M/s in the first 45.0 seconds of the reaction, we need to determine the change in the concentration of H2O2 over the given time interval. By using the data provided for the volume of O2 collected at different time points, we can convert the volume of O2 to moles and then to moles of H2O2. Dividing the change in moles of H2O2 by the time interval gives us the average rate of disappearance. The correct answer from the options provided is B) 1.64 x 10^4 M/s.
To calculate the average rate of disappearance of H2O2 in M/s, we first need to convert the volume of O2 collected to moles. Since 2 mL of O2 is collected when 1 mole of H2O2 reacts, we can convert the volume of O2 to moles of H2O2 at each time point.
At 45.0 seconds, 2 mL of O2 is collected, which corresponds to 1 mole of H2O2. Therefore, the concentration of H2O2 at t = 45.0 seconds is 1 M.
At 90.0 seconds, 4 mL of O2 is collected, indicating that 2 moles of H2O2 have reacted. Hence, the concentration of H2O2 at t = 90.0 seconds is 2 M.
To calculate the average rate of disappearance, we find the change in concentration of H2O2 over the given time interval:
Change in concentration = (Final concentration - Initial concentration)
= (2 M - 1 M) = 1 M
Since the time interval is 45.0 seconds, we can calculate the average rate of disappearance by dividing the change in concentration by the time interval:
Average rate = Change in concentration / Time interval
= 1 M / 45.0 s = 1.64 x 10^4 M/s
Therefore, the average rate of disappearance of H2O2 in the first 45.0 seconds of the reaction is 1.64 x 10^4 M/s, which corresponds to option B.
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As water starts to freeze, the molecules of water
A. decrease speed
B. move more freely
C. gain thermal energy
D. increase in size
Kinetic energy is an energy present in the object with motion. When the water freezes then the speed of the molecules decreases. Thus, option A is accurate.
What is the relation between kinetic energy and temperature?Kinetic energy is possessed by an object when it is in moving motion and because of the molecules. When the temperature decreases the movement of the molecule decreases.
The decrease in the kinetic energy results in a gain of potential energy and release of heat in the surrounding. The temperature and the kinetic energy are directly proportional and affect the speed of the molecules.
Therefore, the freezing of water results in decreased speed of the water molecule.
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