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Chemistry

Tito

What does it mean to "simplify" the equation? conclusion:

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Chemistry

Konnor Bates

A sample of water in the vapor phase (no liquid present) in a flask of constant volume exerts a pressure of 438 mm hg at 95 °c. the flask is slowly cooled. a). assuming no condensation, use the ideal gas law to calculate the pressure of the vapor at 93 °c; at 71 °c.

b. will condensation occur at 93 °c; 71 °c? explain.

c. on the basis of your answers in

a. and b), predict the pressure exerted by the water vapor in the flask at 93 °c; at 71 °c.

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Chemistry

Annabella Deleon

Explain the concept of mole ratio as used in reaction stoichiometry problems

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Chemistry

Kaitlynn Sawyer

What does the nucleus of one atom want to do to the electrons of a nearby atom?

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Chemistry

Jaylen Jenkins

What is made up of biotic and abiotic features

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Chemistry

Dominick Noble

A particular country has 50 total states. If the areas of all 50 states are added and the sum is divided by 50 , the result is 196 comma 510 square kilometers. Determine whether this result is a statistic or a parameter.

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Chemistry

Adrienne

Determine the number of bonding electrons and the number of nonbonding electrons in the structure of xe f 2.

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Chemistry

Guest

How do we know when two systems have reached thermal equilibrium? (check all answers that apply)

a) No heat flows between the two systems.

b) One system is colder than the other

c) One system is warmer than the other.

d) The temperatures of both systems are the same

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Chemistry

Agustin Lawson

Which atom has the highest ionization energy? why is the ionization energy in trat atom greater?

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Chemistry

Kaylee

A 0.2 M carboxylic acid (RCOOH) has a Ka = 1.66x10-6. What is the pH of this solution? Enter to 2 decimal places.

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Chemistry

Frankfurter

How far is the milkyway to the earth

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Chemistry

Luciano Brooks

Choose all the answers that apply. Which of the following has kinetic energy? rolling ball, moving car, book on a table, spinning top, or a falling tree.

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Chemistry

Averie

Calculate the grams of solute needed to prepare each of the following solutions.

1.8 L of a 5.5 M NaOH solution

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Chemistry

Allen Clarke

If 0.20 bushel is 1 dozen apples and a dozen apples has a mass of 2.0 kg, what is the mass of 0.50 bushel apples?

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Chemistry

Savannah Schneider

Atmospheric pressure is 1.00 atm, but air is only composed of 21.0% (by moles) oxygen. thus, the partial pressure of oxygen in air is less than 1.00 atm. what is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 20 ∘c?

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