KuraJones KuraJones

25-02-2016
Chemistry

contestada

2. A block of aluminum with a mass of 140g is cooled from 98.4oC to 62.2oC with a release of 1137J of heat. From these data, calculate the specific heat of aluminum.

Respuesta :

Willchemistry Willchemistry

25-02-2016

Q = M * C *ΔT

Q / ΔT = M

Δf - Δi = 98.4ºC - 62.2ºC = 36.2ºC

C = 1137 J / 140 * 36.2

C = 1137 / 5068

C = 0.224 J/gºC

Answer Link

Otras preguntas

Find the other endpoint of a line segment with the given midpoint and one endpoint. midpoint (11/2,17/2) and the endpoint is (2,9)

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 20. The range will be any fi

In 1803, who was sent to Paris to buy New Orleans?

A railway train 50 m long passes over a bridge 250 m long at the rate of 12 km/h.How long will it take completely pass over the bridge?

what is the equation of a parabola whose vertex is (-6,0) and whose graph is half as tall as y=x^2 and opens upside down?

What is the next in the sequence 2 6 3 8 6 12

A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?

Advantages and Disadvantages of Malls

I need help solving x^2+3xy-y^2=12 and x^2-y^2=-12

Paul's average for 3 tests was 85. The average of his scores for the first 2 tests was also 85. What was his score for the third test?