A mixture of 2.0 L of hydrogen and 2.0 L of oxygen at the same temperature and pressure react to form the theoretical yield of water vapor (at the same temperature and pressure). What is the expected final volume of the gas, in L?

What change occurs every time elements form a compound? A. The state of matter in the compound will change. B. Ratio of the elements in the compound will vary. C. Original properties of the elements will change. D.

What happens during jury deliberation in a criminal court case?

How many carbon atoms are there in a 2.4-carat diamond? diamonds are a form of pure carbon. (1 carat=0.20 grams) ?

A car with a mass of 1,100 kg is moving with a velocity of 30 m/s due east. What is the moment?

Assign oxidation numbers to each element in MgSO4. (magnesium sulfate) Which element has the highest oxidation state? a. Mg b. S c. SO4 d. All the same.

When you kick a soccer ball across a field it will eventually come to a stop. Does this prove or disprove Newton's first law of motion? It disproves Newton's first law of motion because gravity is stronger than friction.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

If a new substance is formed in a chemical reaction, what atoms do they consist of?

What is a scientific explanation for a range of hypotheses and observations supported by testing

A chemical reaction involves the rearrangement of atoms to form new molecules. During a chemical reaction, however, atoms are neither created nor destroyed. Which of the following is true about the atoms involved in a chemical reaction? A.