What volume of H2 gas at 750.0 mmhm and 25 degrees C is produced from the reaction of 50.0 mL of 0.214 M H2SO4 and 0.300 g of Al?

What is the speed of an ocean wave that has a wavelength of 0.30 M and a frequency of 1.80 HZ

Metals lose electrons under certain conditions to attain a noble-gas electron configuration. how many electrons must be lost by the element mg?

You can purchase nitric acid in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL. Describe exactly how you would prepare 1.15 L of 0.100 M HNO3 from the concentrated solution.

What are the properties of elements related to? A) the number of electrons that fill the outer shell B) an element's symbol C) the total number of electrons D) the average atomic mass

Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 525 mL of insulin at a concentration of 50.0 mg/mL. What is the total mass of insulin in the bottle?

What does the law of conservation of energy state about energy in a closed system? Energy cannot be created or destroyed. Energy can be created but not destroyed. O Energy can be destroyed but not created. O Energy can be either troyed or created.

A measure of the internal energy that has been absorbed or transferred from one body to another is

What is the specific heat of a substance? O A. The energy required to break molecular bonds B. The increase in temperature caused by heating C. The heat required to evaporate a substance D. The amount of heat a substance can hold C

Which of the following animal niches will be filled as in ecosystem Begins the stage of ecological succession

Why do atoms join to form bonds?