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CuCO3=CuO +CO2. Find the mass of 1mole of each substance taking part in the reaction. (Ar:Cu=64,C=12,O=16). When 31g of CuCO3 is used; 1)how many grams of CO2 is formed. 2) what mass of solid remains after heating.

An equilatetal triangle with the lengths of its sides given in term of a and b. If the lengths are 4acm,3bcm and (a+b+c)cm. Find a and b and hence find the length of sides of the triangle.

Please help prepare a standard write up. We would like to know more about you and the context in which you have grown up, developed your goals, and earned your academic achievements. Please describe the factors that have most influenced you and your hopes...

If €8200 is divided among A,B and B so that A's share is 2/5 of B's and B's is 3/4 of C's share, how much does C's get?

Calculate the final centigrade temperature required to change 20 litres of gas at 120°C and 1 atmosphere to 25 litres at 2 atmosphere.

There are 42 students in a school1/3 of the population is made up of girls. How many boys are in the school

Mary=1/3*(x-8),Erin=(x-8),John=x 1/3*(x-8)+(x-8)+x=267 take the L.C.M=3 (x-8)+3(x-8)+3x=267*3 Remove brackets x-8+3x-24+3x=801 Collect like term x+3x+3x-8-24=801 7x-32=801 7x=801+32=833 X=833/7=119 Mary=1/3 (119-8)=37 Erin=119-8=111 John=119 Check:37+111+...

I need a solution not only the answer it is not a objective question

I need workings

My answer

62-5x<40 62-40<5x 22<5x 4 2/5<x X>4 2/5 Since is a whole number and -4 is too small and 9,10 and 11 are too big the answer will be 5, 6, and 7

(35*2/7) = log√10 = 1/2