alizag03 alizag03

07-05-2021
Chemistry

contestada

Calculate the amount of heat energy required to heat up 21.5 grams of ice from -15 °C to 10°C.

Respuesta :

alexismonreal8p61rx9 alexismonreal8p61rx9

07-05-2021

Answer:

8.74kj

Explanation:

There are three steps

Warming up the ice to its melitng point. THe nergy required to melt it completely. The energy requiered to warm up the water to a certain temp.

It can be seen by the three equations written

Ver imagen alexismonreal8p61rx9

Answer Link

Otras preguntas

show that if a, b, and c are mutually independent, then the following pairs of events are independent: a and (b ∩c), a and (b ∪c), a′and (b ∩c′). show also that

The yearly profits of a company is $25,000. The profits have been decreasing by 6% per year.a. What is the initial value? $ b. What is the decay factor? c. Wh

In spring I ambled down a road of cherry trees, each more lonely than the last. I trudged through endless fields of high grass, seeking refuge from the unrelent

good essay title for essay on why changing the genome of human embryos (human germline gene editing) can be allowed The title must show that you are choosing t

How many grams of Fe2O3 can form from 22.4g of O2

PLEASE HELP3. What type of transformation is shown from the A shape to the B shape? A Rotation and Dilation B Dilation and Translation Reflection and Rotation O

Question 2(Multiple Choice Worth 2 points) (03.01 MC) Read this sentence. The students were learning to decode words as they read. Select the meaning of the wor

per capita real gdp in economika is $10,000, while per capita real gdp in marshallia is $20,000. in economika, the growth rate of per capita real gdp is %.

Which of the following best describes the graph below? A. It is not a function. B. It is a one-to-one function. C. It is a many-to-one function. D. It is a func

a list of questions that address traditional areas of uncertainty on a project is known as a risk appraisal risk profile risk template risk questionnaire risk a