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Chemistry

Aaron Terry

Which of the following actions is required of Boat A when approaching Boat B head-on in darkness or reduced visibility?

A) Give-way to the port side

B) Maintain course and speed

C) Use a visual distress signal

D) Give-way to the starboard side

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Chemistry

Dusty

How to separate sand from salt

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Chemistry

Zachery Benton

How does the energy of electrons change as you move far away from the nucleus

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Chemistry

Madelynn Forbes

What are the uses of chlorine?

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Chemistry

Erica Rich

Traveling at 65 miles/hour, how many minutes will it take to drive 85 miles to Wichita?

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Chemistry

Joselyn Bonilla

The mass of a solid copper penny is 3.46 g. how many copper atoms are in the penny?

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Chemistry

Jordyn

Consider a situation in which 211 g

g

of P4

P

4

are exposed to 240 g

g

of O2

O

2

. What is the maximum amount in moles of P2O5

P

2

O

5

that can theoretically be made from 211 g

g

of P4

P

4

and excess oxygen?

Express your answer to three significant figures and include the appropriate units.

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Chemistry

Janessa Wilson

What is the total pressure when 0.400 g of H2, 2.00 g of N2, and 10.5 g of CO2 are injected into a 10.0 liter flask at 273 K?

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Chemistry

Mariam Nelson

The balanced chemical equation for the combustion of methane is: CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (g) Which of the following statements concerning this chemical equation is/are correct? 1. One gram of methane gas reacts with two grams of dioxygen gas, producing one gram of carbon dioxide gas and two grams of gaseous water. 2. One mole of methane gas reacts with two moles of dioxygen gas, producing one mole of carbon dioxide gas and two moles of gaseous water. 3. One molecule of methane gas reacts with two molecules of dioxygen gas, producing one molecule of carbon dioxide gas and two molecules of gaseous water.

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Chemistry

Britney

In one kind of nuclear reaction, two nuclei fuse, or join together, to form a larger nucleus. This kind of reaction happens only at very high pressures. Explain why such high pressures are necessary to cause these reactions to occur.

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Chemistry

Lindsey King

Check the approach to obtain the correct conversion equation. Use the temperature in °F to find the temperature in °C.

°C

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Chemistry

Mcmillan

What is the volume of a gas at 50.0 Celsius and. 80 atm if there are. 75 moles of a gas present?

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Chemistry

Charlie Bailey

What do non metals do when they ionize

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Chemistry

Albert Mckenzie

A flexible vessel contains 43L of gas where the pressure is 1.3 atm. What will the volume be when the pressure is 0.61 atm, the temperature remaining constant?

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Chemistry

Micah Gilbert

What are the 4 variables that influence gas behavior

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