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Gennadij [26K]
3 years ago
12

Use the chemical equation to find the answers. BaSO4 + H2SO4 → Ba(HSO4)2 Identify how many oxygen atoms are in the product. Iden

tify how many oxygen atoms are in the reactant.
Chemistry
1 answer:
Mariana [72]3 years ago
5 0

Answer:

Since the equation is balanced, So it have same number of oxygen in the  reactants and well as product.

Oxygen in product = 8

Oxygen in reactant = 8

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Classify the elements as diatomic or monatomic. If necessary, refer to the periodic table to help you identify the diatomic elem
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Which units of pressure are needed if you are going to use 0.0821 as your ideal
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Answer:

D. Atmospheres

Explanation:

8 0
3 years ago
7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 de
Aliun [14]

Answer:

-6.27 kj

Explanation:

Given data:

Energy released = ?

Mass of steam = 15 g

Initial temperature = 100°C

Final temperature = 0°C

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Specific heat capacity of water is 4.18 j/g.°C

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT =  0°C - 100°C = -100°C

Q = 15g × 4.18 j/g.°C  × -100°C

Q = -6270 j

J to KJ:

-6270 j/1000 = -6.27 kj

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4 years ago
Calculate the pH of a solution with [H+]= 1 x 10^-6M
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Answer:

pH=6

Explanation:

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3 years ago
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