ryleigriffin
ryleigriffin ryleigriffin
  • 03-09-2020
  • Chemistry
contestada

5.25 calories are absorbed by an iron nail. How many joules is this?
a) 1.07
b) 9.43
c) 12.6
d) 21.9
* I NEED EXPLANATION!!! *

Respuesta :

MnMDevil
MnMDevil MnMDevil
  • 03-09-2020

Answer:

D) 21.9

Explanation:

1 kilocalorie is equal to 4184 joules

0.001 kilocalorie is equal to 1 calorie

so 5.25 calorie=21.966 joules

Answer Link

Otras preguntas

Which one of the following is a kind of limited government? A. democracy B. oligarchy C. dictatorship
name the kind of each sentence does he go to school on​
How many grams of Al were reacted with excess HCl if 3.86 L of hydrogen gas were collected at STP in the following reaction? 2 Al (s) + 6 HCl (aq) → 2 AlCl₃ (
Restate the number 4,587,902.453. Expanded form: Written form:​
a person has 2 balls, a second one had (2)^2 = 4 balls, a third had (4)^2 = 16, how many balls will the tenth person have?
please Help with my area math question. ​ I don't remember how to do it. multiply or add? and what is the answer to this?
Help me asap im not good at math
a car is stationary at first.it moves off with.acceleration of 2m.s-2.Calculate how far it will move in 10s​
In the figure, ABC and DEF are similar. What's the scale factor from ABC to DEF? (pls show how you got the answer)
y Determine the values of h and k in the equation of g(x). g(x) = Vx-h+k 3 h = 2 k= 1 x -3 -2 -1 2 3 g(x) -2