Chioma

This page lists questions and answers that were posted by visitors named Chioma.

Questions

The following questions were asked by visitors named Chioma.

What is the balanced equation of the complete combustion of 2-methylpropane?
14 years ago
Draw all possible structures of an organic compound with 6 carbon atoms that has a 4 carbon chain
14 years ago
what is the balanced equation for the complete combustion of each of the following: hexane, methylcyclohexane, cyclopentane and 2-dimethylpropane
14 years ago
Calculate the enthalpy of reaction for the following: N2 + 3H2 -> 2NH3 they are all gases. Is this reaction endothermic or exothermic?
13 years ago
The solubility of cu(io3)2 is 1.0*10-7 what is the solubility of the salt
13 years ago
2 For a sample of n = 20 individuals, how large a Pearson correlation is necessary to be statistically significant for a two-tailed test with  = .05? 3 The Pearson correlation is calculated for a sample of n = 25 individuals. What value of df should be u...
12 years ago
How much energy is given out whwn 1g of methane burns
7 years ago
Draw an energy level diagram for the combustion of methane
7 years ago
A machine of 50% efficiency is used to lift a load of 80kg through a distance of 4m what is the workdone by the machine
5 years ago
Help me solve this log54,log24,log0.8
5 years ago
The product of the the numbers is -30 and their sum is -1 find the two nunbers
4 years ago
Two points R and S are on level ground 350m apart. The bearing of S from R is 147°. From R, the bearing of a radio mast is 055°, and from S, the bearing is 032°. The angle of elevation of the top of the mast from R is 20°. Find the height of the mast
4 years ago
what is the width if the area is 132
4 years ago
A cardboard imn the shape of a sector of radius 12cm is folded to form a right circular cone. If the arc of the sector subtends angle 90 degree at the centre, calculate the radius of the cone.
4 years ago
Imagine you are the Senior prefect of your school . Write a speech to be delivered at your morning assembly on the need for good study habits for successful performance in examinations
4 years ago
Three men named John James and Chris shared 500 in de ratio of 3:2:? Respectively if John share is 150 find ?
4 years ago
A man made a loss of 15 by selling an article for 595 find de cost price of the article
4 years ago
0.222g of a divalent metal is deposited when a current of 0.45A is passed through a solution of its sent for 25mins. Calc the relative atomic mass of the metal (If accuracy =96500 coulombs)
4 years ago
If log3 ( y_1)=x express y in term of x
4 years ago
There are 80 students in a class. If 65 students studied mathematics and 49 studied English language while a student did neither of the two subject (1).How many students studied both suby (2). How many studied mathematics only
4 years ago
An AP has 20 term and a common difference of 3 determine the last term and the first term of the AP if it's sum is (a)65 (b)650
4 years ago
You are one of the speaker ln a debate on the topic men are more useful to the society then women
3 years ago
Calculate the number of moles of calcium chloride, CaCl, that can be obtained from 25g of limestone, CaCO in the presence of excess hydrogen chloride, HCl.(Ca=40, C=12,O=16,H=K,Cl=35.5). Equation of reaction: CaCO+2HCL-CaCl+HO+CO
3 years ago
Break up 2Al + 3Pb - 2Al + 3Pb into two half equations- one for oxidation and one for reduction
3 years ago
If 3 tins of milk cost 2.25, what is the cost of 5 tins
3 years ago
In a class of 36 students ,19 read biology ,16 read chemistry and 5 were not allowed to read both subjects. illustrate the information with a venn diagram
3 years ago
What is the LCM of 24 and 9 Show workings
2 years ago
What is the LCM of 24 and 9 Show workings bit by bit
2 years ago
What is the H.C.F of 24 and 9. Show workings bit by bit.
2 years ago
What are the basic needs for human
2 years ago
What is the lcm of 27 and 7. Show workings bit by bit
2 years ago
What is the perimeter of a rectangle length 5 and width 7. Show workings
2 years ago

Answers

The following answers were posted by visitors named Chioma.