Members of a species can mate with each other and produce

gene pools.

O

B

. fertile offspring.

O

C. variations.

o

D. adaptations.

Explain the reaction between metallic hydroxides and a dilute acid?

What is a base used in toothpaste?

Is it more likely for an object to have 0 mass or 0 weight?

A 650.0 g hard-water sample contains 101 mg Ca. what is this concentration in parts per million

What determines the amount of kinetic energy that an object has?

Solid lithium metal and diatomic fluorine gas react spontaneously to form a solid product. give the balanced chemical equation (including phases) that describes this reaction.

What is the best way to transform a chemical potential energy into internal kinetic energy?

A reaction starts with 20.0 grams of lithium hydroxide (LiOH) and produces 31.0 grams of lithium chloride (LiCl), what is the percent yield of lithium chloride (LiCl) ? * LiOH + KCl - LiCl + KOH A) 64.5% B) 88.6% C) 81.5% D) 92.8%

You aren't sure if your pH meter needs to be calibrated, so you put it in a buffer solution that has a known pH of 7. You take four separate readings of the solution with the pH meter. The meter reports the pH as 5.5, 8.6, 6.3, and 9.4.

Can you explain and read this equation 2Mg + 02 - - 2MgO