Afua mixes a solution of potassium iodide with a solution are clear and colorless. The resulting mixtures is cloudy and yellow

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

Calculate the mass of 0.750 mol of the following substance. na3po4.