Someone anyone give me tips to finish online homework because i have 30 assignments to do

In a reaction between 6.0 g of oxygen gas, 4.0 g of hydrogen gas, and 5.0 g of solid sulfur at standard temperature and pressure to make H₂SO₄, which is the limiting reagent?

A piece of tin has a mass of 16.52g and a volume of 2.26 cm3. What is the density of tin?

What are centimeters, kilometers, and millimeters

Give an example of something that is observable but does not contain matter. Explain.

Calculate the molarity of 32.1 g of MgS in 841 mL of solution.

Tell me some bad effects of Ethanol

How many moles of carbon dioxide are released daily by a humming birds respiration?

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?

Select the correct responses to the questions from the drop-down menus. Which wind blows cool air inland during the day? Which wind blows cool air toward the sea at night? Which winds blow steadily from specific directions and over long distances?

Consider the balanced equation for the following reaction: 3Ca (ClO3) 2 (aq) + 2Li3PO4 (aq) → Ca3 (PO4) 2 (s) + 6LiClO3 (aq) Determine the theoretical yield of LiClO3 (aq) in grams if the percent yield of LiClO3 (aq) is 81.0% and 9.