An inference is a prediction based on prior knowledge or experiences.

O

True

Or

False

1,780 mL of a gas is at 37.5°C. At what temperature would the volume of the gas increase to 2.55 L?

At 740°C, the Keq is 0.0060 for this equation: CaCO3 (s) CaO (s) + CO2 (g). What is Q if [CO2] = 0.0050 M? A] 0.0060 B] 0.012 C] 0.0050 D] 0.010 E] 0.015

Name three natural chemicals and three artificial chemicals that are part of your daily life

Although coal is a complex mixture of substances, its elemental composition can be approximated by the formula C135H96O9NS. Using this chemical formula, calculate the percentage, by mass, of carbon (C) in coal.

Two hydrogen nuclei repel one another due to the positive charges of the protons within them. At some separation distance this repulsion is overcome and the hydrogen nuclei can fuse to form helium.

1. Mitch weighs out 67 grams of potassium (K) to make a buffer. How many moles of potassium did Dr. Hellman weigh out? 2.

9,000,000 in scientific notation

Ozone layer depletion causes

How many moles of nitrogen would react with excess hydrogen to produce 520 mL of ammonia? 0.0116mol 0.012mol 0.0232mol 0.024mol

Which of the following has the greatest mass? a. 1 mole of uranium (U) b. 1 mole of oxygen (O) c. 1 mole of sodium (Na) .1 mole of chlorine (Cl)