Give the nuclear symbol for the isotope of gallium that contains 40 neutrons per atom

An aqueous potassium chloride, KCl, solution is made by dissolving 0.295 0.295 mol KCl in 740.0 740.0 g of water. Calculate the molality of the solution.

What happens to water when it changes to ice? Its density increases. @ its density decreases. Its mass increases. Its mass decreases. Its volume increases. Its volume decreases. Reset Next

Dalton used the lightest element as his standard for atomic mass. What is this element? A. Hydrogen B. Carbon C. Oxygen D. Nitrogen

What happens to air pressure as altitude increases A. Air temperature increases B. Air temperature decreases C. Air temperature does not change D. Air temperature depends on the amount of organisms in the area

Liquid octane (CH3 (CH2) 6CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O). What is the theoretical yield of carbon dioxide formed from the reaction of 8.00 g of octane and 38.

The empirical formula of glucose is CH2O the molecular formula of glucose is 6 times than the empirical formula. what is the molecular formula of glucose?

A compound with molecular formula C6H15N exhibits a singlet at d 0.9 (1H), a triplet at d 1.10 (3H), a singlet at d1.15 (9H), and a quartet at d 2.6 (2H) in its 1HNMR spectrum. Its IR spectrum shows one medium absorption band near 3400 cm-1.

A system that transmits genetic information from one generation to the next

Consider the following four solutions: a. NaCl in water b. Acetic acid in water c. Acetic acid in benzene d. Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type?1.

Formula for sulfur tetrafluoride