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Dennis_Churaev [7]
3 years ago
9

A + B = C + D + heat

Chemistry
1 answer:
Marrrta [24]3 years ago
4 0
The reaction is an exothermic one because heat is released to the surroundings. An exothermic reaction is a chemical reaction where energy is being released as the reaction by light or heat. On the other hand, endothermic reaction needs energy input for the reaction to proceed.
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Is hardness physical or chemical property
Afina-wow [57]

Answer:

The properties of the Hardness are:

Hardness is a physical property

Hardness is indicative of the strength of chemical bonds between elements.

Diamond can scratch quartz Explanation:

6 0
3 years ago
In general ethers have a much lower boiling point than their isomeric alcohols. why?
Alex Ar [27]

Ethers have a much lower boiling point than their isomeric alcohols because ether have not hydrogen bond that why ethers have lower boiling point .

Ethers will not have a hydrogen atom attached to the oxygen atom as alcohols do. Because ether molecules can not form intermolecular hydrogen bonds, their boiling points are much shorter than those of alcohol with such a comparable mass.

Owing to the combination of intermolecular H-bonding in alcohols though not in ethers, alcohols possess higher boiling temperatures than isomeric ethers.

Therefore, ethers have a much lower boiling point than their isomeric alcohols because ether have not hydrogen bond that why ethers have lower boiling point .

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4 0
1 year ago
Please help me with question 7. Thank you so much.
tigry1 [53]

Answer:

The system is not at equilibrium and the reaction will proceed to the left.

Explanation:

Step 1: Write the balanced equation

H₂(g) + CO₂(g) ⇄ CO(g) + H₂O(g)

Step 2: Calculate the reaction quotient (Q)

The reaction is calculated in the same way as the equilibrium constant (Kc) but it uses the concentrations at any time.

Q = [CO] × [H₂O] / [H₂] × [CO₂]

Q = 0.610 × 0.695 / 0.425 × 0.500 = 2.00

Since Q ≠ Kc, the reaction is not at equilibrium.

Since Q > Kc, the reaction will proceed to the left.

4 0
3 years ago
In a chemical equation, the sum of the masses of the products is equal to the sum of the masses of the reactants. True False
Komok [63]
The answer is true e e e e e  e e e e e
8 0
3 years ago
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What is a physical property of water
Lyrx [107]

Answer:

Water has a lot of physical properties.

Explanation:

One of them is heat of vaporization.

Bam

3 0
3 years ago
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