Chemistry » Page 21

Chemistry

Davin Gregory

What's the difference between cation and an anion

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Chemistry

Emily Rubio

Where does the largest percent of water exist on Earth?

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Chemistry

Zain Mata

True or False: It is recommended to use sugar cubes to sweeten lemonade because they have a low surface area.

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Chemistry

Andersen

54,000,000 nanometers equals 0.000000054 megameters.

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Chemistry

Seth Francis

When cream mixes with coffee, is this a chemical or physical change?

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Chemistry

Elise Adams

A gas occupies 72.1 at stp. At what temperature would the gas occupy 85.9 L at a pressure of 93.6 kPa?

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Chemistry

Nancy Owens

An 80 kg volleyball player lands from a jump and tries to stop her forward motion. The normal contact force exerted by the floor on her shoes is 2000 N. The friction force exerted by the floor on her shoes is 600 N acting backward on the player. What is the resultant ground reaction force exerted by the floor on the volleyball player's shoes?

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Chemistry

Goldilocks

How does electronegativity affect the polarity of the bond between two atoms?

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Chemistry

Angie Bolton

How much heat (energy) would need to be absorbed by 1.5 g of liquid

water to cause a temperature change of 30.45 °C? The specific heat of

water is 4.18 J/gºC.

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Chemistry

Jimmuy

What happens when electrons are passed from one atom to a more electronegative atom?

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Chemistry

Aydan

Calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. 2.9 * 10-3 1.5 * 10-3 9.9 * 10-18 3.8 * 10-17

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Chemistry

Katelyn

What is the importance of the coefficients in a balanced chemical reaction?

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Chemistry

Guest

The process that changes the identity and number of protons in a nucleus is

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Chemistry

Pirate

Which best describes the process of igneous rock formation?

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Chemistry

Britney

Describe how crust forming on the surface of lava illustrates the principle that removing heat from a system may result in a change in state.

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