Using the information in the table, what is the average atomic mass of sulfur?

Rank the metals from most reactive (1) to least reactive (3) silver, strontium, and technetium

Suppose you were to quickly throw a ball in outer space. Would it slow down as quickly in space, as it does in Earth? Explain why, or why not.

A change in the number of protons or neutrons occurs in which type of reaction? A: electrochemical reaction B: thermochemical reaction C: nuclear reaction D: chemical reaction

The burning of the magnesium becomes uncontrolled (it burns brightly). Oops! Will the reported mole ratio of magnesium to oxygen be too high or too low as a result of this technique error?

How many hydrogen atoms are in 8.90 mol of ammonium sulfide?

A catalyst increases the rate of a chemical reaction by

What energy is changed to cell energy in stage 1 of photosynthesis. true or false

A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave?

A voltaic cell is constructed with two silver-silver chloride electrodes, each of which is based on the following half-reaction: AgCl (s) + e-→Ag (s) + Cl - (aq). The two cell compartments have [Cl-] = 1.51*10-2 M and [Cl-] = 2.90 M, respectively.

How many liters of chlorine gas can be produced when 0.98 l of hcl react with excess o2 at stp? 4hcl (g) + o2 (g) - > 2cl2 (g) + 2h2o (g) ?