Katelynkitkat7119 Katelynkitkat7119

09-04-2018
Physics

contestada

How much energy is needed to raise the temperature of a 55g sample of aluminum from 22.4 to 94.6?

Respuesta :

18-04-2018

The heat needed is given by Mcθ , where m is the mass in Kg, c is the heat capacity of aluminium, and θ is the change in temperature.
Specific heat capacity of aluminium is 0.9 j/g°c
thus; Heat = 55 × 0.9 × 72.2
= 3573.9 Joules or 3.574 kJ

Answer Link

Otras preguntas

indicate if the following statements are True or False regarding features of Pterophytes. 1. Ferns, horsetails, and whisk ferns produce archegonia and antheridi

1. What is the area of the largest circle that can be cut from a square measuring 12 cm on a side?A 98.30 cm² B. 100.32 cm² C. 113.04 cm² D. 125 cm²2. Find the

31319 -3to get 75 13)?Which matrix post multiplies to4

Determina los cuatro numeros cuanticos para un electrón que se encuentra en el nivel 5 de energía

(PLEASE HELP AS SOON AS POSSIBLE)

d(n)=-5(1/2)^n-1 what is the 3rd term in the sequence

In the monochlorination of Toluene, in presence of Fecl3 as catalyst, how many possible isomers can be obtained? A. One B. Two C. Three please tell me how I a

Two tanks contain the same proportion of gas to its capacity. The 26 gallon tank has 14 gallons of gas in it. The second tank has 112 gallons in it. How many ga

and this one- Who was the tutor for Alexander the Great? O Phillip ll O Aristotle O Chaeronea I WILL GIVE BRANLIEST!!!!

where do you eat your dinner

good job