What is the number of protons in this carbon atom?

What is the limiting reactant when 8.4 moles of lithium react with 4.6 moles of oxygen gas? Unbalanced equation: Li + O2 → Li2O Show, or explain, all of your work along with the final answer.

What would be the pressure in atmospheres of the room has a pressure of 775 mm hg?

How many grams of sodium sulfate are needed to make 750.0mL of 0.215 M sodium sulfate solution?

what is the molecular formula of a compound with the empirical formula of P2O3 and a gram molecular mass of 284 grams?

What are two beneficial uses of ultraviolet rays

What is the symbol for heat

When a single 1-gram piece of zinc is added to 3 M hydrochloric acid at 25°C, the reaction is slow. Which procedure would most likely increase the rate of the reaction if the reaction were repeated? A. using 1 gram of powdered zinc B.

Which accurately describes development? A. changing while growing B. growing larger over time C. decreasing the number of cells D. increasing the sizes of cells

A design team has come out with four different plans for building a bridge across a small stream. What is the quickest and most economical way of picking the right plan?

Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations?