Questions by Reina

Questions by Reina

A syringe containing 12.0 mL of dry air at 25 C is placed in a sterilizer and heated to 100.0 C. The syringe is sealed, but the plunger can move and the volume can change. What is the volume of the air

asked Aug 10, 2020

1 answer

4 votes

186k views

A large number of dark and light forms of a moth population were captured, marked or identification, and released. 500 dark and 500 light moths were released. 52 dark and 14 light moths were randomly recaptured.

asked May 13, 2020

1 answer

1 vote

136k views

The majority of the elements on the periodic table are categorized as

asked Sep 21, 2019

2 answers

2 votes

170k views

4. points 7th grade math 19 = h/3 - 8

asked Jul 9, 2019

1 answer

3 votes

133k views

Equation that passes through the points (-1,0)(0,2)

asked Jun 15, 2019

1 answer

3 votes

178k views

a.) Simplify the following expression: (9x2+2x−5)+(6x2−5x+4)(9x2+2x-5)+(6x2-5x+4) b.) Explain how you know your answer is correct.

asked Jun 11, 2019

1 answer

4 votes

149k views

When hot lava reaches seawater, the salts in the water react with the steam to form gaseous hydrochloride acid. You are given a unbalanced chemical equation for one such reaction and the volume of HCI(g)

asked Feb 26, 2019

2 answers

1 vote

76.5k views

List the needs of the white settlers and the needs of the Native Americans(at least 3 for each side)

asked Dec 5, 2018

1 answer

2 votes

84.4k views

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