subject
Chemistry, 19.07.2020 01:01 thasen31

Given the specific heat for aluminum is 0.900 J/g.°C, how much heat is released when a 3.8 g sample of Al cools from 450.0°C to 25°C?
A. 1.5 kJ
B. 54 J
C. 60J
D. 1.7 kJ
E. 86 J

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 23.06.2019 08:50
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
question
Chemistry, 23.06.2019 12:30
Question 1 (true/false worth 4 points) (03.06 lc) an induced dipole occurs when a molecule's moving electrons are briefly more concentrated in one place than another, causing the molecule to become temporarily polarized. true false
Answers: 2
question
Chemistry, 23.06.2019 13:00
Me puede ayudar con estas preguntas 1. diga que estudia la química orgánica explica el nacimiento bioquímicas 2. cual es la importancia de la química orgánica. 3. determine las principales características del hidrógeno, oxigeno, nitrógeno y azufre como elementos que constituyen los compuestos orgánicas. 4. elabore una tabla comparativa entre compuestas orgánicas e incaicos.
Answers: 1
question
Chemistry, 23.06.2019 13:00
Write the balanced chemical reaction for the formation of fe2(so4)3 from fe2o3 and so3 and determine how many moles of fe2(so4)3 are formed when 12.7 mol of so3 are reacted.
Answers: 1
You know the right answer?
Given the specific heat for aluminum is 0.900 J/g.°C, how much heat is released when a 3.8 g sample...
Questions
question
Mathematics, 20.06.2019 18:02
question
History, 20.06.2019 18:02