What is the area of a rectangle

that has a base of 6 cm and a

height of 18 cm?

10 g of nh4cl is added to 12.7 g of water. calculate the molality of the solution.

As a system becomes less random, its entropy * decreases remains the same increases

If the atomic number of an element is 6 and its mass number is 14, how many neutrons are contained in the nucleus?

How might a polar bear's fur and internal temperature relate to homeostasis?

MnO2 + 4 HCl → Cl2 + MnCl2 + 2 H2O Given 145.7 grams of MnO2, how much hydrochloric acid (HCl) is needed to use up the MnO2 completely (MM in g/mol: MnO2=86.94, HCl = 36.46, Cl2=70.9, MnCl2=125.84, H2O=18.02) ? 244.4 g 10.55 g 145.5 g 1407 g

How many electrons does phosphorous (P) need to gain to have a stable outer electron level?

How much energy is needed to raise the temperature of 125g of water from 25.0oC to 35.0oC? The specific heat of water is 4.184J/goC.

What volume of 0.0748 M perchloric acid can be neutralized with 115 mL of 0.244 M sodium hydroxide?

A car is traveling at 65 mph. How many feet can you travel in one second

0.901g KHP is fully titrated with 44.1 mL of an NaOH solution of unknown concentration. What is the concentration of the NaOH solution?