Which equations are in standard form? Check all that apply

y=2x + 5

2x + 3y = - 6

4x + 3y = 12

* £x+3 = 6

3x-y=5

5x + 3y = 1

Where are the most reactive nonmetals located on the periodic table? a. the second column from the right side of the table b. the uppermost complete row of the table c. the column at the far left side of the table d.

Which radioisotope is used as a tracer in nuclear scanning

Ethoxyethane is a solvent that is slightly polar. Table salt is an ionic solid

What did the name carbon come from

A company in San Francisco uses petroleum products to make plastics. Arrange the sentences in the correct order to show how the company could be contributing to climate change. Burning fuel releases greenhouse gases.

An analytical chemist is titrating 242.5 mL of a 1.200 M solution of hydrazoic acid HN3 with a 0.3400 M solution of NaOH. The pKa of hydrazoic acid is 4.72. Calculate the pH of the acid solution after the chemist has added 1006.

A gas stream contains 18.0 mol% hexane and the remainder nitrogen. the stream flows to a condenser, where its temperature is reduced and some of the hexane is liquefied. the hexane mole fraction in the gas stream leaving the condenser is 0.0500.

What type of solution is aerated water. why is it so.

What elements form chemical bonds

Which of the following is not a pseudoscientific claim