What happens when a given amount of gas at a constant temperature

increases in volume?

O A. The gas pressure decreases.

OB. The gas pressure remains constant.

OC. The number of gas molecules increases.

O D. The number of gas molecules decreases.

What goes along with the "drawing conclusions" step in the scientific method? A. Publish Results B. Test the Hypothesis C. Collect the Data D. Analyze the data

Two compound samples are composed of the same elements, but in different proportions. what can you conclude about the 2 samples?

Which statement describes characteristics of a 0.01 M KOH (aq) solution? 1. The solution is acidic with a pH less than 7. 2. The solution is acidic with a pH greater than 7. 3. The solution is basic with a pH less than 7. 4.

If 7.17 g of CuNO3 is dissolved in water to make a 0.470 M solution, what is the volume of the solution?

October 15, 2018 at 1:49 PM Dioxybenzone is a compound found in sunscreen, and only contains carbon, oxygen, and hydrogen. Analysis of the compound found that it contains 4.92% hydrogen and 26.18% oxygen. The molar mass of the compound is 244.

Given a diprotic acid, H 2 A, with two ionization constants of K a1 = 3.0 * 10 - 4 and K a2 = 4.0 * 10 - 11, calculate the pH for a 0.117 M solution of NaHA.

The freezing and thawing action of water affects a rock by? A. Transforming the rock into igneous rock B. Chemically changing the rock C. Gradually breaking down the rock into smaller pieces D.

Explain why there is a difference in climate between areas at 0º latitude and areas at 45º latitude.

1/12 The two worlds of the chemist are the and a world. world. Submit Answer I don't know this

How many valence electrons does zinc oxide have?