As the temperature of a sample of gas falls from 37.8 ºC to 77.9 ºC, its pressure falls to 103.8 mm Hg. If the volume did not change, what was the original gas pressure?

Select one:

a. 91.9

b. 50.4

c. 120

d. 414

Inertia is based only on an object's Question 1 options: mass net force velocity weight

Suppose you were doing the experiment with a 50 mL syringe. How many mL would you pull the plunger for each reading?

How often does the water cycle occur on earth? A) all the time B) once per month C) once per week D) Once per year

If a car of 2 kg mass has a force of 8 Newtons exerted on it what is it's acceleration a) 16 m/s^2 b) 4 m/s^2 c) 0.25 m/s^2

Most high mountain rangers are composed of

Which of the following happens during a chemical change? Check all of the boxes that apply 0 One atom or more changes into atoms of another element. New substances with different properties are formed. O Solids, liquids, or gases may form.

The energy derived from the movement of H + ions down an electrochemical gradient from the intermembrane space into the matrix is used to drive the synthesis of ATP. How many H + ions must be moved into the matrix for the synthesis of 1 ATP?

Consider two solutions, solution a and solution b. [h+] in solution a is 370 times greater than that in solution b. part a what is the difference in the ph values of the two solutions?

All of the following are possible sources of error in a scientific investigation except for O measuring materials such as mass and volume incorrectly. o recording experimental data incorrectly. o having a constant in your experiment.

Do polyatomic ions have fixed charges?