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Kane
Questions (11)
Discuss three contributing factors that may lead to an increase in number of learners abusing substance in school premises
0 answers
273 views
Hi I needed clarification with this multiple choice. I have my explanation with them
Select two right answers describing the
0 answers
461 views
what reagent with observations are used to separate(i)Fe2+$Fe3+ (ii)Mg2+$Fe2+ (iii)Cu2+$Al3+ (iv)SO4(2+)$CO3(2+)
0 answers
468 views
How many grams of O_2(g) are needed to react completely with 3.95 g of H_2(g) according to the following balanced chemical
0 answers
660 views
How many grams of O_2(g) are needed to react completely with 3.95 g of H_2(g) according to the following balanced chemical
3 answers
1,079 views
The sum of two numbers is 87 and the difference is 29 what are the 2 numbers
2 answers
991 views
Cynthia combines 1.7 grams of Silver hydroxide with 234 ml of a 1.2 M solution of HBr. Assume all the silver hydroxide dissolves
1 answer
458 views
Solution of NaCl and glucose gives freezing point of -0.95%. It contains 150 mOsmol glucose/L. What is the concentration of NaCl
0 answers
611 views
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the
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745 views
find the constants a, b and c such that or all values of x,
3x^2 - 5x + 1 = a(x+b)^2 +c also whats the coordinate of the minimum
1 answer
751 views
is this correct...
(3x^2+4x-3)^2-(3x^2-x+2)^2 then is it this (9x^4+24x^3-2x^2-24x+9)-(9x^4-6x^3+13x^2-4x+4) or this
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1,077 views
Answers (6)
yep it is 33
For the people saying "don't cheat" and stuff like that are the ones that can pass the test and already know this stuff, my view of it all is that we are just trying to pass. Not everyone is as smart as the people are saying "it's easy, just studying"
The first one is NO and the second one is YES
I got 31.6 g of O2 for #1 is that correct?
@bobpursley Molarity= 3.78/8.23= 0.459 0.459=molarity 0.459 x 8.23= 3.78moles
95.528
