Is plastic a mixture, compound, or an element?

How many cans of dog food must Sam buy for his 3 dogs if each dog eats 2 cans per day? Sam only shops once a week.

A container holds a mixture of two gases at The partial pressures of gas A and gas B, respectively, are and If of a third gas is added with no change in volume or temperature, what will the total pressure become?

Which of the following is a covalent molecule? A. Beo B. NaCI C. CaF2 D. NH4

some classmates conducted an experiment to find out which brand of paper towels is the strongest. you find out that they didnt try to control any variables write a few sentences explaning why they cannot draw any useful conclusions from their

On a hot summer day Mr. Little went for a swim. Since his pool needed to be filled, he turned the hose on and went to Target. He calculated that his pool could add 234000 mL of water before overflowing.

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?

Which kind of wave increases in height due to strong winds?

Solid lead IV oxide decomposes into solid lead and oxygen gas.

Ab2 has a molar solubility of 3.72*10-4 m. what is the value of the solubility product constant for ab2? express your answer numerically.