Does mercury have any reconnaissance satellites? (science)

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been? A. 7 B. 5 C. 3 D. 9

23. A neutralization reaction between an acid and a base always produces a. salt and acidic anhydride. c. water and basic anhydride. b. salt and basic anhydride. d. salt and water.

Which statement best explains why this extrusive volcanic rock does not have visible crystals

according to the balanced chemical equation below, how many grams of h20 are produced if 3.98g of co2 were produced. 2C18H18 + 25O2 = 16Co2 + 18h20.

What is the physical state of each of these materials at room temperature

What can the student predict if she finds the mass of the whole candy bar, including the wrapper?

A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.1298kg. What is the mass of a single washer in milligrams? Write your answer as a decimal.

according to the law of conservation of, the number of atoms in the products of a chemical and equation must be balanced with the number of atoms in the reactants

whats the specific heat of an unknown substance if the addition of 800 joules of heat energy caused a 30 gram sample to warm from 20 to 40 degrees celsius?

How much energy (in kj) is required to ionize 2.52 moles of hydrogen atoms?