Which chemical found in tobacco is a stimulant drug

A reaction produces 10.5 L if oxygen, but was supposed to produce 1 mol of oxygen. What is the percent yield? (One mole of any gas occupies 22.4 L under certain conditions of temperature and pressure. Assume those conditions for this question)

When a chemical recstion has oxygen what does it clasify as

The mass defect is the result of what action occurring? A. energy being converted into moles of atoms when neutrons break apart protons B. mass being converted to energy when protons and neutrons bind together in a nucleus C.

What does conserving mas mean in a chemical equation

A student performing this experiment weights out 0.6500 grams of an antacid tablet. It is was determined that this tablet contained 0.4655 grams of C a CO3. What is the percent C a CO3 of this tablet? Type your answers without units.

How does the molecular property of water affect its cohesive properties?

Which organism is able to cause an infection? A red blood cell B bacteria C white blood cell D skin cell

What is x + 4 = - x - 4?

How many neutrons are in 7.00 g of 13c?

This chart shows discrpitions of the atoms for four different substances. Which substance is a solid