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How many grams of CO2 will be produced from burning 115.5 grams of C4H8 with 310.5 grams of oxygen given the following equation..... C4H8 + 4 O2 = 2 CO2 +4 H2O
Number of electrons in -CONH 2 is: (1) 22 (2) 24 (3) 20 (4)28 Ans:24
Indicate the nature of bonding in diamond: (1) Covalent (2) Ionic (3) Coordinate (4) Hydrogen Ans: Covalent
I UNDERSTAND THE CONCEPT. I AM CONFUSED ABOUT A SPECIFIC EQUATION OR FORMULA TO SHOW HOW THE BONDS ARE BROKEN THROUGH HYDROLYSIS.
Q. Describe the Half -Life property of radioactive decay? Ans. The decay of a nucleus is a random event. It is impossible to predict which nucleus will decay and when.
5H is the most stable, and the least stable isotope is 7H
what techniques can you use to separate solute from liquid
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
why is NH4CL ADDED BEFOR NH4OH
What is this characterisation all about?and how do you do it using DNPH?
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