Steel is an alloy of one or more elements combined with which metal?

gold

iron

copper

lead

What elemental classification does oxygen belong to?

How many H atoms in 2.3 moles of CH4?

Which of the following is an organic compound? A) Water B) Sodium Chloride C) Ammonia or D) Glucose

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2 (s) + 2h2o (l) → ca (oh) 2 (aq) + 2h2 (g) how many grams of cah2 are needed to generate 58.0 l of h2 gas at a pressure of 0.811 atm and a temperature of 32°c?

Which is the most accurate description of the plasma state of matter?

In which of these samples do the molecules most likely have the least kinetic energy?

Just as heat can denature enzymes, so can a change in the pH. Enzymes that normally work in an acidic environment in the body can become denatured if the pH becomes too alkaline.

A group of students wants to see how temperature affects the time it takes for spilled water to dry up in the investigation what will be the dependent and independent variables

What is not true of white light?

Diatoms and some yeasts are unicellular eukaryotes that have mechanisms of nuclear division?