leslie1104 leslie1104

11-01-2019
Chemistry

contestada

How much energy is added to change 180g of liquid water to gas at 100 degrees Celsius

Respuesta :

11-01-2019

Answer:

40.7 kJ

Step-by-step explanation:

The formula for the heat, q, needed to evaporate a liquid is

q = mΔHvap

Data:

m = 180 g

ΔHvap = 2260 J/g

Calculation:

q = 180 g × 2260 /1

q = 40 700 J = 40.7 kJ

Answer Link

Otras preguntas

1. How did Thomas Jefferson’s ideas about how the president’s house should look reflect his ideas about the presidency?

What does a system of checks and balances do for the three branches of government

HelpPlease!!! If s(x)= 2-x2 and t(x)=3 which value is equivalent to s•t(-7)

A parallel plate capacitor has two plates, both have an area of 1.7 m2 and the distance between the plates is 3.9 mm. The relative permittivity of the material

You plan to buy a house in July 2019. The sale price is $350,000. You need to pay 20% down payments and borrow additional 80% from Wells Fargo with a traditiona

What is the value of a? a. 34 b. 56 c. 68 d. 146 What is the value of b? a. 28 b. 34 c. 56 d. 112

The mr William two questions please!

What fraction of this model in simplest form is shaded (fraction is 2/10)

Bryan invests $500 in an account earning 4% interest that compounds annually. If he makes no additional deposits or withdrawals, how much will be in the account

What can happen if a cell makes an error copying its DNA during interphase

good job