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3 years ago

emergency (30 points) what conclusion can you make about the relationship between temperature and pressure?

Chemistry

2 answers:

Luda [366]3 years ago

6 0

Answer:

This relationship between pressure and volume is known as Boyle's lawA law that states that at constant temperature, the volume of a fixed amount of a gas is inversely proportional to its pressure., after its discoverer, and can be stated as follows: At constant temperature, the volume of a fixed amount of a gas is. The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is directly proportional to its pressure. This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased.

Explanation:

Norma-Jean [14]3 years ago

3 0

Answer:

basically increased temperature causes an increase in pressure. and vise versa.

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The change of matter from a gas state to a liquid state

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Condensation ..when gas cool down into liquid statr its called condensation..

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4 years ago

Phosphorus has three unpaired electrons and hydrogen has one unpaired electron this means that_____ equivalents of hydrogen can

luda_lava [24]

Three equivalents of hydrogen
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4 years ago

Determine the number of atoms of each element in the empirical formula of a compound with the following composition:

34kurt

To determine the empirical formula of the compound, we assume a basis of 100 g of this compound. We calculate as follows:

C = 68.75 g
H = 10.90 g
O = 20.35 g

We convert these mass to moles,
C = 68.75 g / 12.01 g/mol = 5.72 mol
H = 10.90 g / 1.01 g/mol = 10.79 mol
O = 20.35 g / 16 g/mol = 1.27 mol

C = 5.72 mol / 1.27 mol = 5
H = 10.79 mol / 1.27 mol = 8
O = 1.27 mol / 1.27 mol = 1

C5H8O

6 0

3 years ago

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Given the following balanced reaction: 2 NH3 +CO2 --> CH4N2O + H2O A reaction produces 87.5g of CH4N2O upon the reaction of 6

tankabanditka [31]

Answer:

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5 0

3 years ago

Imagine if the HCl used in this experiment was prepared at a concentration of 0.150M. Using your calculated volume of HCl neutra

asambeis [7]

Answer:

Molarity = moles / volume

moles of HCl = molarity ×volume

= 0.0150 M × 0.08189L

= 0.0123mol

∴ the amount of CaCO3 neutralized by 0.0123 mole of HCl will be in 1:2 ratio.

moles of CaCO3 = 0.0123 mol of HCl× 1mol CaCO3/ 2mol HCl

= 0 .00614 mol

∴ the tablet has 0.00614 mol of CaCO3.

Explanation:

Step 1:

In the above-experiment problem, HCl acid solution is basically treated with CaCO3 base active in the tablet.

The mass of CaCO3 present in the tablet must be obtained in milligram (mg).

First, write down the balanced reaction between HCl and CaCO3

2Hcl aq + CaC03 s ⇒ CaCl2 aq + H2O l + C02 g

CaCO3 and HCl react in 1:2 ratio of moles respectively.

∴ for each mole of calcium carbonate there would be twice the moles of HCl required for neutralization.

Step 2

the volume is 81.89 mL (i.e 0.08189 L) of 0.150 M HCl neutralizes the whole tablet containing unknown amount of CaCO3.

So, the number of moles of HCl present in the taken volume is calculated

5 0

3 years ago

Read 2 more answers