Chemistry » Page 33

Chemistry

Guest

What is the molarity of a solution composed of 4.73 g of potassium iodide (KI) dissolved in enough water to make 0.169 L of solution? Answer in units of M.

Answer Answers (1)

Chemistry

Yoselin Boyd

Suppose you were given a substance and asked to determine whether or not it was a plasma. Write the characteristics you would look for to identify the substance.

Answer Answers (2)

Chemistry

Cheeto

What is a comet? tell in a short and easy answer

Answer Answers (1)

Chemistry

Reagan Rocha

In calcium fluoride, what is the closets noble gas that each ion becomes?

Answer Answers (1)

Chemistry

Adyson Riley

Americium-241 is used in some smoke detectors. it is an alpha emitter with a half-life of 432 years. how long will it take in years for 45.0 % of an am-241 sample to decay?

Answer Answers (1)

Chemistry

Underwood

What is the purpose of forming a scientific hypothesis?

It starts a plan to test your idea

It provides the answer to your investigation

It allows you to prove your idea is correct

Answer Answers (1)

Chemistry

Johanna

N2 + 3h2 2nh3 how many moles of hydrogen are needed to completely react with two moles of nitrogen?

Answer Answers (1)

Chemistry

Guest

While in Europe, if you drive 119 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 30.0 mi/gal? Assume that 1euro=1.26dollars.

Answer Answers (1)

Chemistry

Tommy Schneider

What type of star has an absolute brightness of 1 and a surface temperature around 7,500 °C?

Answer Answers (1)

Chemistry

Logan

Explain the difference between two types of elements with respect to the atoms

Answer Answers (1)

Chemistry

Barkley

The ro - group is the nucleophile. think about which group in the alkyl halide (iodoethane) is the leaving group. keep in mind that the leaving group may be one atom or a group of atoms.

Answer Answers (1)

Chemistry

Briana Young

An organic compound is classified as aromatic if it cyclic and has a fragrant odor true or false

Answer Answers (1)

Chemistry

Irwin

Which subatomic particles differ in number for two isotopes of the same element, and which subatomic particles will stay consistent between two isotopes of the same element? Explain how you know.

Answer Answers (1)

Chemistry

Logan Fletcher

What is the oxidation state of an individual phosphorus atom in PO33-?

Answer Answers (1)

Chemistry

Spunky

What must be added to water in order to change state from liquid to a gas?

Answer Answers (2)