laquitad88 laquitad88

16-02-2017
Chemistry

contestada

Calculate the number of kilojoules to warm 125 grams of iron from 23.5 degrees Celcius to 78 degrees Celcius

Respuesta :

crazyvballchic crazyvballchic

16-02-2017

q=mcΔT

q=(125g)(0.446 J/(g x °C))(78°C - 23.5°C)

q=(125 g)(0.446 J/(g x °C))(54.5°C) (Be sure to cancel all similar units)

q= 3038.375 J

Answer Link

Otras preguntas

What is the stated main idea in the paragraph? The temperature had been more than 100 degrees for seven days in a row. The city was in the middle of a heat wa

Tim works for a company his normal rate of pay is 10 per hour on Friday Tim worked 4 hours overtime his overtime pay is 1 1/2 times his normal pay. Work out how

what is the coordinate of the vertex of the parabola y-2=1/12(x+10)

What do I do next please help

Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.Simplify R - S + T.-3m - 4n + 14-m + 2n - 2m - 2n - 23m - 4n + 14

A triangular-shaped deck has one side that is 4 feet longer than the shortest side and a third side that is 4 feet shorter than twice the length of the shortes

which describes an example of using unsecured credit? a) someone buys new gutters for a home with a credit card b) someone buys a new vehicle with a loan from

The xylem in the bein of leaf takes carbohydrates produced

According to the audio, what clothing do young women like to wear the most? -coats -skirts and boots -dresses -hats

A child has a toy car on a horizontal platform. The car starts from rest and reaches a maximum speed in 4 s. If the mass of the car is0.1 kg and engine has an e