Do you have to have variables in every single science experiment?

A student uses 3.00g of a fertilizer with an npk ratio of 15-15-10, how much mgnh4po4*6h2o (mm = 245.1 g/mol) should the student produced?

How far will it have traveled after 8.1 seconds, assuming it starts from rest?

Express as an ordinary number. 6.983 x 104-

Explain how changes in pressure affect the rate and yield of ammonia produced

What law states that energy can neither be created nor destroyed, but it is transformed? Question 13 options: Law of Thermonuclear Energy Law of Kinetic Energy Law of Conservation of Energy Law of Thermal Energy

What are the four types of stoichiometry problems?

100 ml oxygen at 1.75 atm and 200ml nitrogen at 0.6 atm are passed to a 500 ml vessel. Calculate the total pressure of the mixture in the vessel at same temperature

Which is the best metal to use in an alloy to increase its electrical conductivity

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor. a. True b. False

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?