rahhh9hhhGalexan rahhh9hhhGalexan

04-08-2016
Chemistry

contestada

Solve for the final temperature of the mixture of 400.0 mL of water at 25.00 °C and add 140.0 mL of water at 95.00 °C. Use 1.00 g/mL as the density of water.

Respuesta :

meerkat18 meerkat18

07-08-2016

(mass)(ΔT)(Cs) = (Cs)(ΔT)(mass)
(140.0g)(95.00−x)(4.184)=(4.184)(x−25.00)(400.0g)
Solve for x
55647.2 - 585.76x = 1673.6x – 41840
-585.76x – 1673.6x = -41840 – 55647.2
-2,259.36x = -97,487.2
-2,259.36x / -2,259.36 = -97,487.2 / -2,259.36
X = 43.15

Answer Link

Otras preguntas

What was the first element to form after the big bang?.

Which of the following is a true statement about gravity? 1. It pushes objects away from one another. 2. It does not exist in outer space. 3. It gets weaker the

difference between a number line and a number track

Exponents - help me pls

When creating a histogram, the first recorded scale is 0 to 20. What should the second scale indicate? A. 20-40 B. 21-41 C. 21-40 D. 21-39

Solve for x:- 4(2x-3)=6x+2

what is 52 thousandths

If r(x) = 3x - 1 and s(x) = 2x + 1, which expression is equivalent to 402 - 3(6)-1 2(6)+1 (6) 2(6) + 36-1 26+1 (6)-1 (6) +1

Which shows the system of equations that can be entered into a graphing calculator when solving 3.5x+18= –5.8x+30?

A ladder leaning against a wall is used to reach a window that is 16 feet above the ground. The wall is 12 feet from the bottom of the ladder? How long is the l