An 8.5g ice cube is placed into 255g of water. Calculate the temperature change in the water upon the complete melting of the ice. Assume the all of the energy required to melt the ice comes from the water.

An aqueous solution containing 5.0 g of solute in 100 ml is extracted with three 25 ml portion of diethyl ether. what is the total amount of solute that will be extracted by the ether, k = 1.0?

The scattering of light by a colloid is called the Brownian lighting, Tyndall effect, colloidal scattering, or aggregate reflection.

Which of the following is NOT a way that biodiversity is important to an ecosystem? Question 6 options: A. Biodiversity can increase the rate of extinction. B. Different types of decomposers are available to break down many types of waste. C.

Write a short explanation about the "cheater" way to find the # of valence electrons an element has, and what valence electrons have to do with elements bonding?

An average human bad temperature is 98.6 Fahrenheit what is the equivalent temperature in degrees celsius

If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 mL of water when placed in a beaker, what is its mass? a 1.46 g b. 0.685 g c. 116 g

Which statement accurately describes the origin and expansion of the universe

Conversion. 5 km to inches

How many kilojouls are required at 0c to melt an ice cube with a mass of 25g

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.