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 4.27 repeating as a mixed number

simplify the expression w+14w-6w & 3a²+6a+2b²

Explain why 58 can be rounded to the nearest hundred even though there is not a digit in the hundreds place?

Simplify square root of 72

Name the subset(s) of real numbers to which each number belongs. Then order the numbers from least to greatest. The square root of 105, -4, 4/3

What are four numbers that fall between 9.18 9.19

When this 3-digit number is rounded to the nearest hundred it rounds down to 900. The digit in the ones places is the fifth odd number that you count beginning

american colonists were unlike people in most colonies and nations because of what reason?

If z varies directly with the product of x and y (z=kxy), then z is said to vary jointly with x and yThe area of a triangle varies jointly with its base and hei

Convert one third to a decimal