Which of these elements is a halogen? potassium (K) calcium (Ca) vanadium (V) gallium (Ga) bromine (Br)

Which of the following is/are based on Newton's third law of motion? Question 5 options: A. The flying of a bird B. The motion of rockets C. The recoil of a gun D. All of the above

How many protons are contained in the nucleus of the atom?

Which solution will have more gas dissolved in it, A solution under high-pressure or one under low pressure?

The reaction between ethyl bromide (C2H5Br) and hydroxide ion in ethyl alcohol is shown below at 330 K. C2H5Br (alc) + OH - (alc) → C2H5OH (l) + Br - (alc) The reaction is first order each in ethyl bromide and hydroxide ion. When [C2H5Br] is 0.

Calculate the mass percent of carbon (c) in carbon tetrachloride, (ccl4), if the molar mass of carbon tetrachloride is 153.8g.

An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition? A random amount of light was released. A fixed amount of energy was absorbed. A fixed amount of energy was released.

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 57.1 grams of sodium are added to water?

The distance from dalton, ga to Dallas, tx is 1308 km. What is the distance in miles

Which will melt faster: ice made from tap water, distilled water, or salt water?

You know that 8.9 moles of solute particles are dissolved in that liquid solution. If the molarity of the solution is 25 M, how many liters of solution do you have?