A crew of six astronauts from the United States and other countries live on the _and conduct space research hoping to have positive impacts to life on Earth.

Chemistry is the study of matter true or false

Why is steel going through a fluid phase during its production

What is the best definition for the atomic number in an element

Describe the alternative energy source that you chose. Where is that energy produced? How is that energy produced? (be specific) What are the advantages and disadvantages of this type of energy?

How many moles of nitrogen, n, are in 65.0 g of nitrous oxide, n2o?

What is limiting reajent?

What elements react the most? Like have the most reactivity.

A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?

A rock is placed into water and the volume of water increase 15ml. what is the density of the rock if it had a mass of 24.3 grams.

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.