The ph of a substance equals - log[h+] where [h+] is the concentration of hydrogen ions. [h+] for tomato juice is 10-4. what is the ph of tomato juice?

CuCO3 (s) + 2HCl (aq) → CuCl2 (aq) + H2O (l) + CO2 (g). Which statement correctly describes the substances in this reaction? A. Exactly one product and two reactants are either liquid or dissolved in water. B.

A substance is made up of slow-moving particles that have very little space between them. Based on this information, what can most likely be concluded about this substance?

A plant root is an example of. a cell an organ system an organ tissue

The density of a certain type of plastic is 0.62 g/cm3. If a sheet of this plastic is 10.0 m long, 1.0 m wide, and 1 cm thick, what is its mass?

What concept in Dalton's atomic theory has been modified? A. All matter is composed of atoms. B. Atoms of different elements have different properties and masses. C. Atoms can combine in chemical reactions. D. Atoms cannot be divided.

For which of the following reactions is ΔHrxn equal to ΔHf of the product? You do not need to look up any values to answer this question. Select all that apply.

You have three molecules of glucose (3C^6H^12O^6). How many carbon atoms do you have?

If the arrangement of atoms in a substance changes

A certain element x has four isotopes. 5.845% of x has a mass of 53.93961 amu. 91.75% of x has a mass of 55.93494 amu. 2.123% of x has a mass of 56.93539 amu. 0.2820% of x has a mass of 57.93328 amu. what is the average atomic mass of element x?

Which of the following is a type of electromagnetic radiation? a. Electrons b. Neutrons C. Electromagnetic waves d. Helium nuclei