Convert the pressure 0.8 atm to kPa.

Chemistry

2 answers:

erica [24]3 years ago

7 0

Don’t mind me just trying to get some points

Ludmilka [50]3 years ago

3 0

Answer:

81.0

Explanation:

mutiply the value by 101.325 to get the answer a. 81.1

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4 years ago

Which procedure(s) decrease(s) the random error of a measurement:

PolarNik [594]

Taking the average of more measurements decreases random error of measurement

Taking the average of many measurements is the most effective way to reduce random errors in a measurement. Because the certainty of the results grows as the number of data does, Less risk of random errors means that the value is more certain. Fewer measurements lead to less reliable data collection, which raises the likelihood of random errors.

The complete question is

Which procedure(s) decrease(s) the random error of a measurement: (1) taking the average of more measurements: (2) calibrating the instrument; (3) taking fewer measurements? Explain

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2 years ago

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zhannawk [14.2K]

From the stoichiometry of the reaction, we can see that the volume of carbon monoxide reacted is 44.8 L.

<h3>What is stoichiometry?</h3>

Stoichiometry is used to obtain the amount of substance reacted or the amount of product formed.

Number of moles of CO2 in 88g = 88g/4 g/mol = 2 moles

Molar mass of carbon monoxide = 12 + 16 = 28g/mol

We can see that 1 mole of oxygen was used in the reaction hence the mass of oxygen used is 32 g/mol. Given the stoichiometry of the reaction, 28g of carbon monoxide was burned.

If 1 mole of a gas occupies 22.4 L

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= 44.8 L

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Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2(g)+C(s)↽−−⇀CS2(g)????c=9.40 at 900 K Ho

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