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An excess reagent is completely consumed in a chemical reaction


Algebra Word Problem

It costs $60 to go to the movies for 2 adults and 5 children. It costs $66 for 5 adults and 2 children. Write a system and solve for the price of an adult and a child’s ticket.


on average, how much does okapi weigh, and how much does llama weigh?

the combined average weight of an okapi and a llama is 450 kilograms. the average weight of 3 llamas 190 kilograms more than the average weight of one okapi.


Chemistery question calculating molality

What is the molality of a solution that contains 2.50 moles of NaCl in 150 mL of water? (The density of water is equal to 1.0  .)


What is the value of x ?

The triangle and the square have equal perimeters. 1. Find the value of x.


Use standard potentials to calculate the equilibrium constant

Use standard potentials to calculate the equilibrium constant for the following cell and cell reaction at 298 K:           Cr(s) + Zn2+(aq) → Cr2+(aq) + Zn(s)

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