alliebeech alliebeech

08-07-2016
Chemistry

Answered

Calculate the number of kilojoules to warm 125 g of iron from 23.5°C to 78.0°C.

Verified Answer :

olemakpadu olemakpadu

09-07-2016

m = 125 g = 125/1000 kg = 0.125 kg, θ₂ = 78.0°C, θ₁ = 23.5°C , c = 0.44kJ/kg°C,

Q = mc(θ₂ - θ₁)

Q = 0.1250.440(78 - 23.5)

Q = 2.9975 kJ

2.9975 kJ required to warm it.

Answer Link

Related Questions

Read the sentence below and answer the question His head was sometimes transparent He thought things up to make sure that everyone understood that he was courag

can you help me on 2 please

A 100gram sample of which element has the smallest volume at STP 1 aluminum 3 titanium 2 magnesium 4 zinc

How to find coefficient of static friction

Leaders achieve major goals only if they make hard choices passive voice

Exercise helps us to restore and decompress to return to ourselves and find balance in an unstable a Harmony environment b Focus medium c Health workplace d Con

Ben is greeting customers at a music store Of the first 20 people he sees enter the store 13 are wearing jackets and 7 are not What is the experimental probabil

Similarities between rotating earth and non rotating earth

find the GCF of each set monomials 1845mn 12x 49x 5ab6b 14b56b 21xy63xy

3 Some prokaryotes are able to survive unfavorable conditions by forming flagella capsids cocci endospores 4 Prokaryotes that break down dead organisms and wast

Web Analytics