Who came up with the idea that all the continents were once joined together

Is neon a metal, nonmetal, or metalloid

Gay-Lussac's law states: A. The volume of a gas varies inversely with pressure. B. The volume of a gas varies directly with pressure. C. The temperature of a gas varies inversely with pressure. D.

How many molecules of benzene (C6H6) are in 17.4 g of benzene? (Show ALL work and answer with correct significant figures and units.)

Describe two tests that you can run to determine if something is a substance or a mixture.

Which force determines Earth's path around the Sun? A) nuclear force B) magnetic force C) gravitational force D) electrostatic force

Unit conversions. (a) Convert 10,000 dynes to units of lbm ∙ ft/s^2 and lbf (b) Convert 0.2 atm to units of Kpa and lbf/in^2 (c) Convert 37 °C (physiological temperature) to units of °F and K. (d) Convert 50 in 2 ∙ lbm/s^2 units of joules and cal.

How much CO2 is produced from 10g of CH4?

Balance the following redox reaction in acidic solution. Zn (s) + MnO-4 (aq) → Zn+2 (aq) + Mn+2 (aq)

66.0g of dry ice (solid carbon dioxide)

Select all the discoveries for which ernest rutherford is credited. the emissions of radioactive elements the neutron the electron the proton