Lilia01 Lilia01

08-11-2021
Chemistry

contestada

An exothermic reaction releases 86.5 kJ. How many kilocalories of
energy are released?

Respuesta :

bertrand8 bertrand8

08-11-2021

Since 1 calories is 4.1858 Joules, 86.5kJ is 86.5 x (1/4.1858) = 20.66510583 kCal = 20.7 kCal (3 s.f)

Answer Link

Otras preguntas

identify each material as a compound or a mixture. Caffeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed ratio.

Brian is playing a video game. He earns the same number of points for each star he picks up. He earned 2,400 points for 6 stars, 4,000 points for 10 stars, and

a 12 foot tall building casts on 8 foot long long shadow. how long of a shadow will a 5 foot tall women have

Which product developed from the production of cotton? a. Fertilizer b. Salad oil c. Lumber d. Turpentine

In what epic poem does the god Krishna teach a prince about duty? Bhagavad-Gita Epic of Gilgamesh Ramayana Vedas

Gates can keep a child out of unsafe spaces placed between rooms. Which correction should be made to sentence 9? A. insert a comma after spaces B. change kee

is the statue of liberty a mood or tone

Which European is credited with ushering the age of exploration? A. Ferdinand Magellan B. Amerigo Vespucci C. Christopher Columbus or D. Prince Henry

Fill in the blank with the appropriate present tense form 1. La musica tipica de colombia, la cumbia. Siempre ___ (poner or traer?) la cumbia cuando trabajo. 2

A full bag of dog food weighs 5 1 2 pounds. How much dog food do you have if there are 3 3 4 bags in the cupboard