jasminekoehler818 jasminekoehler818

01-07-2017
Chemistry

contestada

The reaction 4al(s) + 3o2(g) --> 2al2o3(s) ?h = -3351 kj is _, and therefore heat is _ by the reaction

Respuesta :

BTS130613 BTS130613

01-07-2017

exothermic, release/given off

Answer Link

Otras preguntas

Sue graphed the formula for converting temperatures from Fahrenheit to Celsius. If the temperature is 50 degrees Fahrenheit, what is the temperature in Celsius?

f(x)=x² – 4x – 2 g(x)=x+7 Find: (f + g)(x)

A manufacturing business needs various items to function well. Which is an example of a service? A. machinery B. raw material C. transportation

Are elements with similar chemical properties found in the same period or group on the periodic table? A. period B. group

What sparked the Russian revolution

Vernon’s work for finding the value of x is shown below.Step 1: 16x + 8 = 76Step 2: 16x = 68Step 3: x = 4.25Did Vernon solve for the correct value of x? If not

what is the value of the expression -.75-(-2/5)+.4+(-3/4)

Which value of b in an exponential function will result in the percent rate of change given? 23% decrease b = 8% increase b = 15% decrease b =

SEE PHOTO. Based on the diagram, all of the following are true except... A) cos38 = 24/x B) sin52 = 24/x C) cos38 = x/34 D) cos52 = x/24

A 1-m3 rigid tank contains 10 kg of water (in any phase or phases) at 160 0C. The pressure in the tank is: a)-370 kPa b)- 618 kPa c)-2000 kPa d)-1618 kPa e)-738