The balanced chemical equation between strong base and weak acid is represented as follows:
NaOH(aq)+ CH3COOH(aq)-----> CH3COONa(aq) + H2O(l)
When an acid reacts with a base, a salt is formed along with the formation of water, and this reaction is termed as neutralization reaction.
When a weak acid and a strong base are mixed, they react according to the following net-ionic equation: HA(aq) + OH⁻(aq) → A⁻(aq) + H₂O(l).
The balanced chemical equation between strong base and weak acid is represented as follows:
NaOH(aq)+ CH3COOH(aq)-----> CH3COONa(aq) + H2O(l)
Here, sodium hydroxide (NaOH) is a strong base and acetic acid (CH3COOH) is a weak acid.
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Calculate the given mass in 0.5 mol. Of CH4
Answer:
8 grams
Explanation:
The molar mass of CH4 is about 16 grams per mol. So you get the answer by mutlitplying 0.5 by 16, (cancel out moles by placing 1 on the bottom of the fraction).
Answer:
8 (g)
Explanation:
[tex]m= n * M[/tex]
m= 0.5*(12+1*4)=0.5*16 =8 (g)
Name the gas that the limewater in the flask is testing for.
Answer:
Explanation:
Carbon dioxide is the answer I think.
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help? please and thank you! very much appreciated
Answer:
Option B is correct
Explanation:
The Formula of Nitrate is NO₃⁻
-TheUnknownScientist
calculate the number of atoms in 112 g of iron.
Answer:
1 mole of iron (Fe) = 56 g (molar mass)
Since 56 g of iron = 1 mol.
Therefore, 112 g of iron= 1/ 56 ×112 mol = 2 mol.
Explanation:
What is the tertiary consumer in this food chain?
A hawk
B lettuce
C snail
D thrush
Answer:
the hawk
Explanation:
in order it would be: producer, primary, secondary, tertiary
Answer:
the hawk is the tertiary consumer
In the following reaction, in which direction, left or right, will the equilibrium shift if the following changes are made?
2NO (g) + H2 (g) ⇌ N2O (g) + H2O (g) + 36 kJ (heat)
N2 O (g) is added
Equilibrium shifts (LEFT / RIGHT)
H2 (g) is added
Equilibrium shifts (LEFT / RIGHT)
Answer:
Shifts to the left.
Shifts to the right.
Explanation:
Based on Le Châtelier's principle, when a change occurs in a system in equilibrium, the system will try to counteract the change that was made.
In the equilibrium:
2NO (g) + H₂ (g) ⇌ N₂O (g) + H₂O (g) + 36 kJ (heat)
If N₂O is added, the equilibrium shifts to the left trying to decrease the concentration of N₂O added.
If H₂ is added, the equilibrium shifts to the right trying to decrease the concentration of H₂ added
A gas has a volume of 10.0 L at 20 degree Celsius. At what temperature does the gas have a volume of 20.0 L ?
Answer:
286 K
Explanation:
From the question,
Applying Charles law,
V/T = V'/T'.................... Equation 1
Where V = Initial Volume of gas, T = Initial Temperature of gas in Kelvin, V' = Final Volume of gas, T' = Final Temperature of gas in Kelvin
Make T' the subject of the equation
T' = V'T/V.................. Equation 2
Given: V = 10.0 L, V' = 20.0 L, T = 20°C = (20+273) = 293 K.
Substitute these values into equation 2
T' = (20×293)/10
T' = 586 K
Hence the temperature of the gas is 586 K
Convert 812.4 kPa into atm
Answer:
Explanation:
There are a series of unit used to measure PRESSURE. They include millimetre mercury (mmHg), atmospheric pressure (atm), kilopascal etc. These units of measurement are interconvertible i.e. can be changed from one unit to another.
Based on this question asking to convert
1 kilopascal = 0.00986923atm
Which reaction would cause an increase in entropy?
Answer:
The other guy is completely wrong.
The answer is B.SO2CI2 (g) > SO2 (g)+CI2(g)
Explanation:
A P E X
How many grams of carbon dioxide are produced from the combustion of 250.G of ethane, C3H8 in the reaction C3H8 +5O2 - 3CO2 +4H2O
Answer:
750 g of CO₂
Explanation:
The balanced equation for the reaction is given below:
C₃H₈ + 5O₂ —> 3CO₂ + 4H₂O
Next, we shall determine the mass of C₃H₈ that reacted and the mass of CO₂ produced from the balanced equation. This can be obtained as follow:
Molar mass of C₃H₈ = (12×3) + (8×1)
= 36 + 8 = 44 g/mol
Mass of C₃H₈ from the balanced equation = 1 × 44 = 44 g
Molar mass of CO₂ = 12 + (16×2)
= 12 + 32 = 44 g/mol
Mass of CO₂ = 3 × 44 = 132 g
SUMMARY:
From the balanced equation above,
44 g of C₃H₈ reacted to produce 132 g of CO₂.
Finally, we shall determine the mass of CO₂ produced by the reaction of 250 g of C₃H₈. This can be obtained as follow:
From the balanced equation above,
44 g of C₃H₈ reacted to produce 132 g of CO₂.
Therefore, 250 g of C₃H₈ will react to produce = (250 × 132)/44 = 750 g of CO₂.
Thus, 750 g of CO₂ were obtained from the reaction.
The number of grams of carbon dioxide should be 750 grams.
Calculation of the no of grams:Since
The balanced equation for the reaction is
C₃H₈ + 5O₂ —> 3CO₂ + 4H₂O
Now
Molar mass of C₃H₈ = (12×3) + (8×1)
= 36 + 8 = 44 g/mol
Hence, Mass of C₃H₈ from the balanced equation = 1 × 44 = 44 g
Now
Molar mass of CO₂ = 12 + (16×2)
= 12 + 32 = 44 g/mol
Hence, Mass of CO₂ = 3 × 44 = 132 g
Now the no of grams should be
= (250 × 132)/44
= 750 g of CO₂.
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What is a reducing agent?
Answer: Its an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction.
CREDIT: Wikipedia
Answer:A reducing agent typically is in one of its lower possible oxidation states and is known as the electron donor.
Example: Examples of reducing agents include the earth metals, formic acid, oxalic acid, and sulfite compounds.
Write word equation of sodium reacts with chlorine to get sodium chloride
Answer:
Na+ + Cl-=NaCl
Explanation:
Sodium have +ions while Chlorine have - ions the ions will cancel and it will equal to NaCl
How can water affect the rock cycle?
Water can cause rocks to break into sediments through mechanical weathering.
Water can cause rocks to be buried deep underground.
Water can cause rocks to melt.
Water can causer rocks to break into sediments through chemical weathering.
Answer:
b
Explanation:
b because it's a physical change
Write a short paragraph about how gases are all around you. Provide at least 2 examples
Answer:fart and carbon are all around is
Explanation:
The pH of a solution can be determined by using a
A. Filter paper
B. Potentiometer
C. Thermometer
D. pH paper
real answers plz not bots
PLEASE HELP PLS PLS PLS
Methane, CH4(g), and oxygen gas, O2(g) react to produce carbon dioxide, CO2(g), and water H2O(g). What volume of methane is required to react with oxygen to produce 32.5 L of carbon dioxide? *
a) 65.0 L
b) 48.8 L
c) 16.3 L
d) 32.5 L
Answer:
D)
Explanation:
CH4 + 2O2 = CO2 + 2H2O
1 (L CO2)= 32.5(L CO2)
1 (CH4) = 32.5 (L CH4)
How do we designate recessive
genes?
A. They are male.
B. They are lower case letters.
C. They are female.
D. They are capital letters.
As the girl leaves her room, she flips the switch to turn off the light. Turning off the light make
A :a closed circuit
B :a series circuit
C :a parallel circuit
D :an open circuit
Answer:
A.
Explanation:
Convert 544 Calories to Joule
Answer:
2276.1 Joules
Explanation
One calorie is equal to 4.184 Joules. So, 544 calories will be equal to 544*4.184=2276.1 Joules
How many moles of F2 are required to produced 8.3 moles of HF
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The more bonds an atom can make, the more likely it is to combie with other atoms in different ways.
Which element is most likely able to make the greatest variety of bonds?
a. nitrogen
b. hydrogen
c. oxygen
d.carbon
Answer: a. nitrogen
Explanation:
Nitrogen comprises of five valence electrons in its outermost shell which enables it to form triple, double and single bonds with other atoms. It can share three electrons with other nitrogen atom and form a covalent bond. Moreover, nitrogen can form multiple bonds with itself and with other elements due to its small size and high electronegativity. Nitrogen, carbon, fluorine, and oxygen are the elements with which nitrogen can form bonding.
What change in volume results if 75.0 mL of gas is cooled from 100.0 °C
to 0.00 °C
Answer:
Final volume v2 = 0 ml
Explanation:
Given:
Initial temperature = 100°C
Initial volume = 75 ml
Final temperature = 0°C
Find:
Final volume
Computation:
Using Charles law formula;
⇒ V1 / T1 = V2 / T2
Where
⇒ Initial temperature = T1
⇒ Initial volume = V1
⇒ Final temperature = T2
⇒ Final volume = V2
So,
⇒ 75 / 100 = V2 / 0
Final volume v2 = 0 ml
Sn(IV) and Br
chemical formula
Which contains more atoms; 1mol H2O2, 1mol C2H6, or 1mol CO?
Answer:
C2H6 has the greatest amount of atoms.
Explanation:
Can you use carbon dioxide in the dark
Answer:
If you already have a solenoid, there is nothing wrong with running CO2 with the lights only. It will save CO2, and prevent excessive CO2 levels at night. Some think the CO2 should be up to max levels when the lights go on.
Explanation:
The image shows two spheres hung from a thin rope. The spheres do not affect each other.
What is most likely true about these spheres?
-Both spheres are neutral.
-Both spheres have a positive charge.
-Both spheres have a negative charge.
-One sphere has a positive charge, and the other has a negative charge.
Answer:
both spheres have a positive charge
Which is the conjugate acid of HSO4
Answer:
sulfuric acid
Explanation:
The conjugate acid of HSO4 -1 is H2 SO4. Adding one hydrogen ion to the hydrogen sulfate ion generates the conjugate acid. Its name is sulfuric acid.
A sealed container is heated from 110K to 175K. The gas begins at a volume of 95L, what is the new volume of the gas upon heating?
Where are the places these minerals are found: Gold, Limestone and kaiolin.
Explanation:
Gold: The Kolar Gold Fields in Kolar used to be one of the major producers of gold in India, before it shut down. Presently the gold mines of Hutti and Raichur produce almost 84 per cent of the country’s gold. The other major centers of gold mining are Dharwad and Chitradurga. The gold mines produce about 3,000 kg’s of gold per annum. The district of Raichur is also famous for its silver deposits.
Limestone: It is another important mineral with an estimated 51,000 million tons. Karnataka has the largest limestone reserve in India. The districts of Gulbarga, Bagalkot, Belgaum, Shimoga and other Uttara Kannada districts are endowed with extensive high grade limestone. The present and consistent production of approximately 14 million tonnes provides for the cement plants in these districts.
China clay (kaolin) consisting dominantly of kaolinite is one of the most sophisticated industrial minerals with a host of applications, viz., in ceramics, refractories, paper coating, filler for rubber, insecticides, cement, paint, textiles, fertilizers and others including abrasives, asbestos products, fibreglass, chemicals, cosmetics, pharmaceuticals, electrical ware, foundry and glass.
The Department of Mining and Geology through their past investigation campaigns in parts of Kerala,identified two major china clay zones viz., the southern china clay zone between Thiruvananthapuram and Kundara (Thiruvananthapuram and Kollam districts) and the northern china clay zone between Kannapuram Madayi -Cheruthazham in Kannur district to Nileswarm - Manjeshwaram in Kasargod district. An estimated reserve of 172 million tonnes (probable reserve of 80 million tonnes and possible reserve of 92 million tonnes) of china clay of sedimentary and residual origin has been arrived at.
Kerala china clay is one of the finest quality clay and is world class. In fact, Kaolin marketed by English Indian Clays Ltd. (EICL), Thiruvananthapuram claims to have similar or even better properties compared to imported clays.
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Answer:
Lithosphere: Volcanos..
Hydrosphere: Rain falls..
biosphere: Plants..
Explanation: