Empirical formula CH2, molar mass = 84 g/mol

During an experiment, an independent variable:

How many moles are in 226 g of Fe (NO2) 2?

How do you think the crocodile might affected if it wandered near a strong magnet?

A jeweler is making sapphire rings using 2 sapphires on every 1 ring. If the jeweler has 12 sapphires and 10 rings, what is the theoretical yield? A. 5 sapphire rings B. 6 sapphire rings C. 10 sapphire rings D. 12 sapphire rings

Determine the number of significant figures in the measurement 0.0030020 s.

Which two processess do scientists think move the Earth's lithospheric plates? A. gravity acting on the edges of plates and friction between the plate and the asthenosphere B.

How does the average velocity of molecules in a high-temperature gas compare to the average velocity of molecules of the same gas with a lower temperature?

Based on your understanding of the periodic table, which element has the greatest number of electrons A. Uranium B. Sodium C. Selenium D. Polonium

What is the meaning compared to BASE (meter/liter/gram)

For the reaction: 6 Li (s) + N2 (g) → 2 Li3N (s) Determine: a) the mass of N2 needed to react with 0.536 moles of Li. b) the number of moles of Li required to make 46.4 g of Li3N. c) the mass in grams of Li3N produced from 3.65 g Li.