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AleksandrR [38]
3 years ago
12

A type of force where objects touch each other ​

Chemistry
1 answer:
leonid [27]3 years ago
3 0

Answer:

contact force

Explanation:

I have no idea why

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What is the volume of 6 moles of hydrogen gas, H2 (g)
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Answer:

Molar volume, or volume of one mole of gas , depends on pressure and temperature, and is 22.4 liters - at 0 °C (273.15 K) and 1 atm (101325 Pa), or STP (Standard Temperature and Pressure), for every gas which behaves similarly to an ideal gas. The ideal gas molar volume increases to 24.0 liters as the temperature increases to 20 °C (at 1 atm).

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the balloon is inflated outdoors on a cold day in North Dakota at a temperature of -35°C to a volume of 3.0 L. The pressure rema
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3.75 litres is the volume of the balloon indoors at a temperature of 25°C.

Explanation:

Data given:

initial temperature of the gas in balloon  = -35°C or 238.15 K

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From the data given when pressure is constant Charles' law is applied.

\frac{V1}{T1} = \frac{V2}{T2}

Rearranging the equation to know the final volume of the gas in balloon

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V2 = 3.75 Litres

when the temperature of a gas is increased and pressure remains constant the volume of the gas increases.

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How many neutrons does an element have if its atomic number is 41 and its mass number is 170?
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atomic number = protons.

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170 (mass) - 41 (proton/number) = 129

that should be ur answer. I hope this helps!

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