Chemistry, 05.05.2020 13:14 kmcgregor4155
20 g of water. specific heat of water is 4.18 J/x°C. temperature changes from
25° C to 20° C, how much heat energy (Q) moves from the water to the
surroundings?
418 Joules
4.18 J
209 J
83 J
Answers: 2
Chemistry, 22.06.2019 10:00
Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83
Answers: 3
Chemistry, 22.06.2019 15:00
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Chemistry, 22.06.2019 22:00
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
Answers: 1
Chemistry, 23.06.2019 01:30
What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water
Answers: 1
20 g of water. specific heat of water is 4.18 J/x°C. temperature changes from
25° C to 20° C,...
25° C to 20° C,...
Mathematics, 25.09.2019 07:10
Geography, 25.09.2019 07:10
Mathematics, 25.09.2019 07:10
English, 25.09.2019 07:10
Mathematics, 25.09.2019 07:10
English, 25.09.2019 07:10
Mathematics, 25.09.2019 07:10
Physics, 25.09.2019 07:10