billy bob j

verify the identity ((cosxcotx)/(1-sinx))-1=cscx

Do I just put the person's name after the quote when I'm citing a specific person?

The bottle of hydrogen peroxide from the store says it is a 3% solution by mass. What is its molal concentration?

A bottle of HCL is 14.0M and has a density of 1.08 grams/mL. What is the molality of the HCL?

A bottle of rubbing alcohol (C3H7OH) from the store is a 70% solution by mass. Determine the total vapor pressure inside the closed bottle. The vapor pressure of the water at room temperature is 24mmHg; the vapor pressure of the volatile rubbing alcohol i...

You drop a hot copper penny (500 degrees celsius) that has a mass of 4.5 grams into a glass of cold water (6.0 degrees celsius) with a volume of 120 mL. The water heats up to 7.7 degrees celsius. Find the heat absorbed by the water, then determine the spe...

Sucrose is commonly known as table sugar. The formula is C12H22O11. You burn 7.29 grams of sucrose in a bomb calorimeter. The temperature of the calorimeter and the water in it rises from 23.24 degrees celsius to 29.77 degrees celsius. The bomb's heat cap...

Cross multiply to get 6x=x^2, then divide x^2 by x and you get x=6.