2Mg + O2 forms the compound magnesium oxide (2MgO).

How many molecules of magnesium oxide are represented?

three

four

one

two

Write the equation for the fusion of two hydrogen-1 atoms.

Carbon dioxide is a non-polar molecule true or false

How many moles are in 27.5 grams of CaCO3

Heat capacity is a measure of the heat required to A) expand the volume of a substance. B) evaporate a substance. C) freeze a substance. D) raise the temperature of 1 gram of a substance by 1°C

3.) What type of energy is released with the faucet? * A.) light B.) electrical C.) mechanical 4.) What type of energy from the sun? * A.) light B.) electrical C.) mechancial

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