A bullet of mass 10 g is fired from a gun of mass 490 g. The bullet leaves the gun with a speed of 120 ms-1. Find the speed of recoil of the gun.

A. 2.4 ms-1 B. 4.8 ms-1

C. 6.4 ms-1 D. 7.4 ms-1

How many moles of carbon atoms are there in 0.500 mol of C2H6?

How do you complete this chemical reaction K2O + H2O

What type of radiation is carbon emitting in the following equation? 14/6C=>0/-1e+14/7N

Calculate the molar solubility of silver chloride in 0.15 M sodium chloride. Ksp of silver chloride = 1.6x10-10.

How many milliseconds (ms) are there in 3.5 seconds (s) ?

Determine the [oh-] concentration of a 0.741 m koh solution at 25°c.

In the lab, students decomposed a sample of calcium carbonate by heating it over a Bunsen burner and collected carbon dioxide according to the following equation: CaCO3 (s) CaO (s) CO2 (g) (a) How many mL of carbon dioxide gas were generated by the

J. J. Thomson A) Electrons are in orbital levels. John Dalton B) Atoms are the smallest unit of an element. Ernest Rutherford C) Electrons are scattered within the atom. Niels Bohr D) Protons are at the center of an atom.

Which answer best describes an alloy

Olive oil has a density of 0.92 g/mL. How much would 1 liter of olive oil weigh in grams?