michellevang1 michellevang1

23-02-2021
Chemistry

contestada

If you have 7.3g of solid calcium and it takes 62.3J of heat to melt it at 842°C. what would the heat of fusion for calcium?

Respuesta :

sahilankush13 sahilankush13

23-02-2021

Answer:

fttttggttfvvgfrr ccsfgt chg chu rdh fig ffhfr

Answer Link

greeneaneil greeneaneil

23-02-2021

Answer:

To solve this problem, you'll need the formula that relates heat energy to mass and heat of fusion:

q = m·ΔHf

where

q = heat energy

m = mass

ΔHf = heat of fusion

Explanation:

62.3J ÷ 7.3g = ΔHf

8.53 J/g = ΔHf

4.18 cal/g = ΔHf

Answer Link

Otras preguntas

I am selling an antique dresser for my grandmother that is in perfect condition. ------------------------------------------------------------------- Which of th

1.) Which literary writing style uses humor to comment on serious subject matter? A) satire B) essay C) tragedy D) allegory 2.) Absurdism is the attempt to show

Why was the issue of slavery so important to the delegates of the Constitutional Convention?

Until the age of exploration and the emergence of a new global economy, _______, not Europeans, dominated trade.

1/3 cup of flour is used to make 5 dinner rolls. A. How many flour is needed to make one dinner roll? B.How many rolls can be made with 5 2/3 cups of flour?

Can someone PLEASE explain to me how the integral of 2cos^2(t)sin(t) dt =-(2/3)cos^3(t) ???

whats 4.71875 as a fraction

Sarah's investment stock grew 12% to $560. how much did she invest?

How many common fractions strictly between 0 and 1 have a denominator of at most 6 when written in lowest term

Yeah.... i have no clue ... i need help... PLEASE Proteins are manufactured in the Lysosomes Nucleus Ribosomes Vacuoles