ashleeeeeeee7373 ashleeeeeeee7373
  • 16-01-2017
  • Chemistry
contestada

How much energy is needed to warm 7.40g of water by 55 degress C?

Respuesta :

AnnaMarie714
AnnaMarie714 AnnaMarie714
  • 16-01-2017
E = mCdT
E = energy, m = mass, C = specific heat capacity, dT = change in temperature.
526 = 0.074C x 17
E = 0.074C x 55
Divide the equations
E/526 = (0.074C x 55)/(0.074C x 17) = 55/17
E = (55 x 526)/17 = 1702 J

Answer Link

Otras preguntas

Way did thomas jefferson not attend the constitutional convention in 1787?
geometry if x=y y=z, which statement must be true?
Hacking and cybertheft by china and other nations are especially concerning because:
Producers must understand the marginal benefit of making an additional unit, which shows the actual gain. eventual gain. possible gain. unlikely gain.
Which tribe organized a confederacy? A. Wampanoag B. Powhatan C. Narragansett D. Leni Lenape
Match the reasons with the statements. Given: 2 (x + 3) = 8 To Prove: x = 1 1. 2(x + 3) = 8 2. 2x+6=8 3. 2x = 2 4. x = 1 Distributive Postulate Subtract
let f(x)=16x^2-x. Find f(x+1)-f(x)
Just help with all of these please
Which article of the constitution discusses relationships between the states?
Leah is studying a bacteria sample that increases 4 times in mass every day. At the end of day 1 of her study, the sample has a mass of 4 milligrams. What is th