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

Can u help me with this pls..?

please help I need it bad

In 2004, the world's fastest knitter was able to knit 225 stitches in 3 min. How long would she take to knit a scarf that was 20 cm wide and 1.2 m long, if she

Find the sum of the first 50 terms of the sequence below. Please Help!

E6-23 (similar to) Aunt Betty Bakery reported net sales revenue of $ 59 comma 000 and cost of goods sold of $ 17 comma 000. Compute Aunt Betty's correct gross p

A certain phospholipid molecule contains two fatty acid chains of eight carbon atoms each having no carbon-carbon double bonds in the chain. The phosphate ion i

please healp me ; ) 7−5x−(3+5x) simply

Fair spinner A has 4 equal sections labeled 1,2,3,4. Fair spinner B has 4 equal labled 2,3,4,5. each spinner is spun once and the numbers are addedd. work out t

solve the simultaneous equation:2x+y=17;3x-3y=3.

Which of the following are steps in practical problem solving? Solve the sentence for the variable. Assign an identifying variable to the quantity to be found.