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

532 - 308 is the same as blank - 300

PLZ HELP- I NEED HELP IM A LIL SLOW

Gracias a la nutrición los seres vivos logran: A. Suplir sus necesidades energéticas, es decir que obtienen la energía necesaria para realizar todas las activid

Uh I'm confused on how to do this may someone help?

an aluminum atom has an atomic number of 13 and a mass number of 27,how manya)protons b) electrons pls write the formula too

In a county commissioner form of government, the state government has:

On the statement of cash flows, the investing activities section would include a.cash paid for retirement of bonds payable b.cash received from the issuance of

Write x2 − 2x − 3 = 0 in the form (x − a)2 = b, where a and b are integers. (1 point) (x − 4)2 = 3 (x − 3)2 = 2 (x − 2)2 = 1 (x − 1)2 = 4

apakah itu nombor jujukan ?

Another name of shorthand configuration isA. Nobel gas configurationB. Aubfau configurationC. Unabbreviated configurationD. None of these