julesthecools julesthecools

03-05-2017
Chemistry

contestada

Please answer the questions in the pic! 15 points!

Please answer the questions in the pic 15 points class=

Respuesta :

JavierCollante JavierCollante

04-05-2017

1. 80 Kj
2. 120-80= 40 Kj
3. 120-20= 100Kj
4. 20-80= -60Kj
5. +60 Kj
6. Exothermic because 4 is negative

Answer Link

Otras preguntas

Summarize the rules for the allowable values of the four quantum numbers of an electron in an atom.

Why is demand for water rising in india

convert the rate 175 miles per 5 gallons to feet per quart.

The source of water for the Great Lakes was _______, which played a major role in forming the lakes during Earth's recent geologic past.

por que se enojo la reina de inglaterra al recibir un documento escrito a maquina? ( tecnología: rumbo al futuro)

How is 6.3 written in scientific notation? 6.3 x 10° 63 x 10-1 6.3 x 102 63 x 10°

What is an example of a non contact force

A person weighs 150.0 lb, and the correct dosage of a drug is given as 1.50 mg per kilogram of body weight. How many milligrams of the drug should be given? (2.

Evaluate the expression 1/3(4+18) -2 squared

A new streaming service charges 5 dollars per month for students, and 10 dollars per month for everyone else. This month, the service had 55 users, and collecte