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Kamila [148]
3 years ago
5

Why do we study heat in a chemistry course?

Chemistry
1 answer:
Gwar [14]3 years ago
8 0

Answer:

Explanation:

The human body is constantly radiating heat to its surroundings, and human comfort is closely tied to the rate of this radiation we need to know this because its part of a daily life.

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3 0
3 years ago
Read 2 more answers
Consider the following equilibrium:H2CO3(aq) + H2O(l) H3O+(aq) + HCO3-1(aq).What is the correct equilibrium expression?
Vanyuwa [196]

The equilibrium expression shows the ratio between products and reactants. This expression is equal to the concentration of the products raised to its coefficient divided by the concentration of the reactants raised to its coefficient. The correct equilibrium expression for the given reaction is:<span>

<span>H2CO3(aq) + H2O(l) = H3O+(aq) + HCO3-1(aq)

Kc = [HCO3-1] [H3O+] / [H2O] [H2CO3]</span></span>

4 0
3 years ago
What is the formula for diboron dioxide
Vaselesa [24]

Answer:

B2O3

Explanation:

good luck have a nice day

7 0
3 years ago
5) How many Kilograms are in 12 L of Chlorine Gas?
melamori03 [73]

Answer: 0.03798 kilograms

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given volume}}{\text {Molar Volume}}=\frac{12L}{22.4L}=0.535moles

1 mole of chlorine gas (Cl_2) weighs = 71 g

Thus 0.535 moles of chlorine gas (Cl_2) will weigh = \frac{71}{1}\times 0.535=37.98g=0.03798kg            (1kg=1000g)

Thus there are 0.03798 kilograms in 12 L of chlorine gas.

3 0
3 years ago
Which of the following is an example of a chemical change?
wolverine [178]

Answer:

C

Explanation:

6 0
3 years ago
Read 2 more answers
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