5. Which of the following characteristics in a chemical reaction indicates

that a precipitate has formed?

a. The product changes

c. The product becomes a

color only

liquid

b. A gas is produced

d. A solid is produced

Select the stronger bond in the following group c=C C-F

A method of a problem-solving that focuses on the units used to describe matter, often using conversion factors is called a ...

A). Polonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons).

Why do people talk wouldnt it be better if all we did was be quiet

What does the x represent on a motion map

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.