Describe at least two methods to separate a mixture of small copper and iron beads

Which of the following is a disaccharide? A. Glucose B. Sucrose C. Fructose D. Galactose

Where does digestion begin? Select one of the options below as your answer: a. stomach b. mouth c. small intestine d. large intestine

Calculate the number of chlorine atoms that are present in 66.05 g of dichloromethane, ch2cl2. when you have the number, take its log (base 10) and enter it with three decimal places and without units.

Mass fraction of sulfur and oxygen in the crust are respectively 0.52 and 0.295. How many times is the number of oxygen atoms in the Earth's crust More sulfur atoms?

Wny do we use the unit light years

320.93 - (6109.7/2.3) Express your answer to the appropriate number of significant digits.

The osmotic pressure is found to depend on the concentration of the solution. What way, directly or inversely

The following reaction was monitored as a function of time: AB-->A+B A plot of 1/AB versus time yields a straight line with slope 5.5 * 10^-2 (M? s) ^-1. What is the half-life when the initial concentration is 0.

The science student wants to find the mass of a wooden block. What is its appropriate name and use of the equipment

What should be done if a chemical is poured from an original container into another container not intended for immediate use?