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At constant temperature, increasing pressure causes gas volu…

At constant temperature, increasing pressure causes gas volume to decrease.  

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A gas mixture has a total pressure of 1.20 atm. If nitrogen…

A gas mixture has a total pressure of 1.20 atm. If nitrogen contributes 0.45 atm, what is the partial pressure of the remaining gas?

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If a reaction absorbs heat, the surroundings experience a te…

If a reaction absorbs heat, the surroundings experience a temperature decrease.

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When calculating heat using q = m c ΔT, the temperature chan…

When calculating heat using q = m c ΔT, the temperature change must always be expressed in Kelvin.

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The following reaction BEST represents a balanced equation f…

The following reaction BEST represents a balanced equation for the reaction of nitrogen gas with hydrogen gas to produce ammonia? N2 + 3 H2 → 2 NH3

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Based on the solubility rules, what precipitate results from…

Based on the solubility rules, what precipitate results from combining aqueous sodium chloride and aqueous silver nitrate?

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A sports drink provides 145 Cal of energy when metabolized….

A sports drink provides 145 Cal of energy when metabolized. How many joules (J) does this represent?

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What type of reaction describes the following: 2 AgNO3 + Na2…

What type of reaction describes the following: 2 AgNO3 + Na2CrO4 → Ag2CrO4 + 2 NaNO3

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When lithium and oxygen react, what is the formula of the re…

When lithium and oxygen react, what is the formula of the resulting compound?

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A photon has the energy 5.55 × 10–19 J. What is this photon’…

A photon has the energy 5.55 × 10–19 J. What is this photon’s wavelength in nanometers?

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