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lorasvet [3.4K]
3 years ago
6

Convert a pressure of 1.75 atm to kPa and to mm Hg

Chemistry
1 answer:
Serjik [45]3 years ago
3 0

P = 1.75 atm = __ kPa =

_mmHg

1 atm = 760 mm Hg

We can write the two conversion factors

1 atm / 760 mm Hg or 760 mm Hg / 1 atm

1.75 atm x ( 760 mm Hg \ 1 atm)

1330 mm Hg

1 atm = 101325 pa

We can write two conversion factors

1 atm / 101325 pa or 101325 pa / 1 atm

1.75 atm x ( 101325 pa / 1 atm )

177319 pa or 177.319 kPa

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Reaction Rate is the rate at which a substance undergoes a chemical change.

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On combustion of 0.2 gm of organic compound gave 0.147g of CO2, 0.12g of H2O and 74.6 ml of nitrogen gas at STP. Find emperical
zhuklara [117]

Answer:

0.2 is conpound Co2 STP.

Explanation:

on combustion of 0.2 gm of organic compound gave 0.147g of CO2, 0.12g of H2O and 74.6 ml of nitrogen gas at STP. Find emperical formula of compound.?

​

5 0
2 years ago
How many molecules are in 41.8 g of sulfuric acid
Anton [14]

Answer

× 10²³ molecules are in 41.8 g of sulfuric acid

Explanation

The first step is to convert 41.8 g of sulfuric acid to moles by dividing the mass of sulfuric acid by its molar mass.

Molar mass of sulfuric acid, H₂SO₄ = 98.079 g/mol

Mole=\frac{Mass}{Molar\text{ }mass}=\frac{41.8\text{ }g}{98.079\text{ }g\text{/}mol}=0.426187053\text{ }mol

Finally, convert the moles of sulfuric acid to molecules using Avogadro's number.

Conversion factor: 1 mole of any substance = 6.022 × 10²³ molecules.

Therefore, 0.426187053 moles of sulfuric acid is equal

\frac{0.426187053\text{ }mol}{1\text{ }mol}\times6.022×10²³\text{ }molecules=2.57\times10^{23}\text{ }molecules

Thus, 2.57 × 10²³ molecules are in 41.8 g of sulfuric acid.

3 0
1 year ago
Based on the shapes of the water drops in part D, how does the attractive force between water and wax compare to the attractive
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EDMENTUM

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What is the correct formula name for calcium chloride?
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C. CaCl2 is the correct answer
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