camillaafloress camillaafloress
  • 23-10-2020
  • Physics
contestada

24kg of sand at 35.0c to 27.0c. Calculate how much heat is given off express your answer in joules

Respuesta :

felixkings
felixkings felixkings
  • 24-10-2020

Answer:

[tex]Q \: = \: 1.96kj.[/tex]

Explanation:

[tex]Q = mc ΔT[/tex]

[tex]given: \\ m \: = 24kg \\ c \: = \:0.290 \: J/(K kg). \\ ΔT = 35 - 27 = 8(8 + 273) = 281k[/tex]

[tex]Q \: = 24 \times 0.29 \times 281 \: = 1,955.76j \\ i.e \: Q \: = \: 1.96kj.[/tex]

Answer Link

Otras preguntas

Why do you GET in a CAR but you get ON A BUS
PLEASE HELP! NO LINKS AND DONT ANSWER JUST FOR POINTS OR U WILL BE REPORTED! Will give brainiest!! (This is math but when I do math subject no one helps, I hop
HELP PLEASE Quadratic Equations Math Nation
A number line that represents k > 5
2. The area of the bottom of a shoe box is 28 square inches. If the height of the shoe box is 3 inches, what is the volume the box
Find the percent change form $18 to $45
HELPP!! Please PLEASE IF YOU SEE THIS GIVE ME AN ANSWER............
Find the unit rate. 10 deliveries in 2 hours =
Which number sentence is true? A. 3.4 x (-3.4) = 11.56 B. 3.4 x 3.4 = 11.56 C. -3.4 x (-3.4) = -11.56 D. -3.4 x 3.4 = 11.56
A skater starts on a ramp 5 m above the ground. They have a mass of 45 kg. What is their gravitational potential energy? 9 j 45 j 2205 j 225 j