If a substance cools, the value of q for the substance is positive.

Based on the solubility rules, what precipitate results from combining aqueous sodium chloride and aqueous silver nitrate?

When lithium and oxygen react, what is the formula of the resulting compound?

The following reaction BEST represents a balanced equation for the reaction of nitrogen gas with hydrogen gas to produce ammonia? N2 + 6 H → 2 NH3

When the following equation is balanced, the coefficient of allene, C3H4, is _____.  _____ C3H4 + _____ O2 → _____ CO2 + _____ H2O

A photon has the energy 3.22 × 10–20 J. What is this photon’s wavelength in nanometers?

A large frequency corresponds to a large wavelength.

A photon has the energy 5.55 × 10–19 J. What is this photon’s wavelength in nanometers?

Neutral atoms in which family have electron configurations ending in s2?

Neutral atoms in which family have electron configurations ending in s1?