Which wave can be transmitted through empty space

Fuel cells are used in many areas, such as the aerospace industry, where energy efficiency is more important than high power output. One fuel cell uses methanol, CH3OH, as a fuel. Predict the ideal bond angle for each of the following: a. H-C-H b.

I have several questions for Chemistry. Question 1: What is a charged particle called? Questions 2: The total mass of the atoms in a molecule is called this type of mass? Question 3: Where does plasma normally occur?

Which term is defined as the sum of protons and neutrons in an atomic number? a) charge number b) mass number c) atomic number d) balance number

Hydrogen 3 has a half life of 12.32 years a sample of h-3 weighing 3.02 grams is left for 15.0 years what will the final weight of H-3 sample be?

How much water can be raised from 25*C (room temperature) to 37*C (body temperature) by adding the 2,000 kJ in a Snickers bar?

Covalent bond name: N6Cl10

Why is benzyl alcohol more soluble in ether than water?

What elements are found in a 9 volt battery

Predict the empirical formula of these compounds. a. C2N2. b. P4O10. c. N2O5. d. NaCl. e. C9H20. f. B2H6. g. K2Cr2O7. h. Al2Br6. i. C6H6. j. SiCl4

What happens when the cold finger is placed in the hot water? what direction did the heat travel from the hot water?