What is the hydronium ion concentration of a solution whose pH is 12.40?

A graduated cylinder is filled 241.5 ML with water and a piece of granite is placed in the cylinder displacing the level 247.6 ML what is the volume of the granite piece and cubic centimeters?

What do we do with the h2o produced when glucose breaks down?

What effect would increasing the number of loops in a coil of a wire have on an electromagnet

How do you know the wave is a mechanical wave?

Calculate the wavelength of an electron (m = 9.11 x 10-28 g) moving at 3.66 x 106 m/s. a. 1.99 x 10-10 m b. 5.03 x 10-10 m c. 1.81 x 10-10 m d. 5.52 x 10-9 m e. 2.76 x 10-9 m

Which of the follwing is a pure substance: sugar, salt, water, or pepper? Explain how you know.

A chemistry student needs of isopropenylbenzene for an experiment. She has available of a w/w solution of isopropenylbenzene in carbon tetrachloride. Calculate the mass of solution the student should use.

Can an organism carry out cellular respiration without photosynthesis?

Predict the product for PtCl4 + F2

Calculate the formula mass of ethanol, c2h5oh. express your answer to three significant figures and include the appropriate units.