Sylvanite is a mineral that contains 28.0% gold by mass. How much sylvanite would you need to dig up to obtain 73.0 g of gold?

Which element could likely substitute for Si in a solid solution? carbon phosphorous aluminum sulfur

In the reaction Mg (s) + 2HCl (aq) H2 (g) + MgCl2 (aq), how many liters of hydrogen gas will be produced from 75.0 milliliters of a 3.0 M HCl in an excess of Mg at STP? a. 1.1 liters b. 34 liters c. 2.52 liters d. 0.11 liters E. 0.23 liters

Calculate the volume of 8,410 g of a substance whose density is 0.71 g/mL. Express your answer in milliliters using the correct number of significant figures. Do not enter your answer using scientific notation.

What organelle stores water, food, or waste

Give an example of a substance changing temperature and what happens to the motion of molecules as the temperature changes?

O2 + CS2 → CO2 + SO2 Which of the following shows the equation balanced?

Convert 970. mm Hg to atm.

The addition of a catalyst in a chemical reaction (A) increases the concentration of products at equilibrium. (B) increases the fraction of reactant molecules with a given kinetic energy.

Is fire hot or cold?

In Flask A, you reacted 7.23 g Mg with 1.05 mol HCl. In Flask B, you reacted 1.22 g Mg with 1.35 mol HCl. Which balloon will inflate the most?