A cartain shade of blue has a frequency of 7.23*10^14 what is the energy exactly one photon of light

The solubility of acetanilide in hot water (5.5 g / 100mL at 100 o C) is significant and its solubility in cold water (0.53 g / 100mL at 0 oC) is not very great.

What was Dalton's postulate that prevented his atomic theory from being accepted for many years? Why was it not accepted?

What is a factor that is deliberately changed in an experiment

How do the cause of surface and deepwater currents drift

Which of the following statements is true about the nucleus? A) Only neutrons hold the nucleus together B) Only the strong nuclear force holds the nucleus together C) The Presence of neutrons, the strong nuclear force, and the residual strong force

A banana split contains 1.12 million calories. What is the energy value in kilojoules? a. 1.12 kJ b. 4.686 x 10^3 kJ c. 4686 kJ d. 2.68 x 10^5 kJ e. 268 kJ

2 grams of a substance was dissolved in 75.0 g of water resulting in a temperature decrease from 23.1 ⁰C to 18.7 ⁰C. The specific heat of the solution is 4.18 J/g·⁰C. Calculate the amount of heat associated with the water.

Why do you think the soccer ball fell more slowly than the golf ball

Which of the following is an example of chemistry research in the main area of energy?. a. producing bioplastics. b. specific reactions between prescription drugs and chemicals in cells. c. developing rechargeable batteries. d.

A gas is sealed in a bottle at 25°C and 1.50 atm pressure. How must the storage conditions be changed to bring the gas to Standard Temperature and Pressure (STP) ? A. Increase the temperature by 25°C and decrease the pressure by 0.514 atm. B.