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

Which statement about stress is true

Determine the x-coordinate of the solution of the system of equations below. You may use any method: 2x-y=10 x+y=2

A set of equations is given below: Equation C: y = 3x + 7 Equation D: y = 3x + 2 How many solutions are there to the given set of equations?

What is the relationship between mass and weight?

Irina predicted that she would sell 75 books, but she actually sold 95 books. Which expression would find the percent error? Use the table below to help answer

Which verb agrees with its subject? The poodle and the Border collie __________ two of the smartest breeds of dogs. A. was B. has been C. is D. are

Which measurement is the best estimate for the mass of an apple? A : 150 mg B : 150 g C : 150 kg

The fractions 4/10 and 6/15 are equivalent fractions. true or false?

Who started the thought of equal rights first? personally, I really want to know... please at least 12 words don't do it just for points!

the area of a 25 inch tv screen is 300 square inches. the area of a 40 inch tv screen is 768 square inches. the area of the smaller screen is what percent of th