A reaction produces a gas which is collected in a glass cylinder. When a glowing splint is placed inside the container it burns brightly as shown which gas was produced in the reaction

Which energy change takes place when gasoline evaporates from a fuel gas can? A. Energy is released. B. Energy is absorbed. C. Energy remains stationary. D. Energy becomes transformed.

Compare atomic number, mass number, and atomic mass

3.7 grams of aluminum combine with excess copper (II) sulfate with 10 grams of copper produced. What is the percent yield? The equation is balanced below. 2Al + 3CuSO4 - -> Cu + Al2 (SO4) 3

Describe an Abiotic factor

What does 5000 mg = g in chemistry

which of these pairs of elements is most likely to be a part of a polyatomic ion? k an cl li and br p and o Ca and O

An enzyme is a protein that acts as a catalyst in a chemical reaction that takes place in a living thing true or false

Three types of single called organisms

48g LiOH dissolved in 1.0 L of solution. calculate the molarity

A (g) + 2B (g) → C (g) + D (g) If you initially start with 1.00 atm of both A and B and find that at equilibrium 0.211 atm of C is present, what is the value of Kp for the reaction at the temperature the reaction was run?