How many moles of carbon are in 7.87x10^7

Explain why the energy harnessed per person (per capita) has increased so dramatically since the industrial revolution.

Energy does not have to involve motion. Question 8 options: True False

How do balanced chemical equations show the conservation of mass?

You are preparing some solutions for your instructor and have been asked to prepare 3.00 L of a 0.250M sodium hydroxide solution. To make the solution, you should weigh out: A. 30.0 g NaOH and add 3.00 L of water to it. B. 75.

Which of the statements below is not a characteristic of economically developed nations? 1. access to health care 2. high standard of living 3. industrialization 4. reduced use of resources

Identify the reactants and products of 3ba (c2h2o2) 2 (aq) + 2na3po4 (aq) = ba3 (po4) 2 (s) + 6nac2h2o2 (aq)

How many moles of copper are needed to react with sulfur to produce 0.25 moles of copper sulfide

How is friction a good thing and a bad thing?

Explain why ice is able to float on water

Lewis dot structure for F2 (g)