What statement is true about endothermic and exothermice reactions

How can you determine the quantities of reactants and products in a chemical reaction

The reaction N2 + 3 H2 → 2 NH3 is used to produce ammonia. When 450. g of hydrogen was reacted with nitrogen, 1575 g of ammonia were actually produced. What is the percent yield of this reaction? a. 20,7% b. 41,5% c. 62,1% d. 30,8% e.

How does csi use gas chromatography in real life scenarios

How is a gas formed?

Avnew moon is when the Moon is completely dark, and usually can't be seen. If Ike notices that there is a new moon tonight, when should he expect there to be a new moon again? A. in four weeks B. in one week C. in two days D. in five days

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.

A 20.00 g milk chocolate bar is found to contain 12.00 g of sugar. How many milligrams of sugar does the milk chocolate bar contain?

Sedimentation is least likely to occur

Why it is important to learn about elements, compound, and mixture?

Sodium borohydride is stable in acidic aqueous solutions. True or False