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Carli
Questions (20)
Christian believe in the________as their holy book. This book includes the New Testament and the Old Testament.
1 answer
121 views
Name two geographic obstacles and one political obstacle that stood in the way of the construction of the Panama Canal. How did
2 answers
759 views
What Canadian landform covers about half of the country?
A.the Interior Plains B.the Canadian Shield C.the St. Lawrence Lowlands
8 answers
1,582 views
There are 12 students to be seated in a row of 12 chairs, paul and martha have broken up and will not sit together. How many
1 answer
686 views
A group consists of 5 boys and 6 girls. How many committees of 5 can be formed that consits of 2 boys 3 girls.
Multiple choice:
1 answer
646 views
A $40,000 loan at 4% dated June 10 is due to be paid on October 11. The amount of interest is (assume ordinary interest):
2 answers
4,452 views
NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l)
How do I calculate the oxidation states of Nitrogen and figure out if it is reduced,
6 answers
5,523 views
2H20(l) = 2H2 (g) +O2 (g)
For the above, if 1.50 mg of water is decomposed, what mass of hydrogen is procduced? (1 mg=10^6g=1
1 answer
529 views
NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l)
How do I calculate the oxidation states of Nitrogen and figure out if it is reduced,
2 answers
1,151 views
2H20(l) = 2H2 (g) +O2 (g)
For the above, if 1.50 mg of water is decomposed, what mass of hydrogen is procduced? (1 Mg=10^6g=1
3 answers
880 views
How would I find out the area and perimeter of a square that is cut into two trianlges with a hypotenuse of 6squared2 and has
1 answer
389 views
If the odds against an event A are 15 to 1, what is the probability associated with event A
occurring?
1 answer
449 views
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are
the odds against drawing a club and a
0 answers
434 views
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are
the odds against drawing a club and a
1 answer
434 views
Two dice are rolled. Find the odds that the score on the dice is either 10 or at most 5.
3 answers
4,325 views
A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the line
to shoot two free throws. What
1 answer
651 views
Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning
ticket is to be $500, what are
3 answers
1,277 views
What is the relationship between the measure of a central angle of a polygon and the measures of an interior and an exterior
1 answer
2,231 views
The length of a median of a triangle is 36 units. Describe the location of the centroid on that median using fractions.
1 answer
467 views
I have to write an essay and my topic is "writing that changed the world." It can be a speech, article, essay, or excerpt from a
0 answers
654 views
Answers (7)
I think the answer is c .
Number 1 is really a not c. Because i put c and it got me a 95 and not a hundred. :(
Thank you!
That is what I am confused about. Do you separate the N out of the HNO3? So, it is H+1, N -3, O3 is -2? I guess I am making harder then it is.
Thanks for the info. I came up with 0.1678475161 and rounded it to .17 mg H2. Am I on the right track and did I include the correct amount sig figs?
Thank you for the link! Here is my answer below. I am not sure if I am figuring it right. Please advise. NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l) N is -3,H3 is +1, 2o2 is 0, H is +1, N is X ??, O3 is -2, H2O is -2 Therefore X=-2 I am not sure how to figure
2H20(l) = 2H2 (g) +O2 (g) For the above, if 1.50 mg of water is decomposed, what mass of hydrogen is procduced? (1 Mg=10^6g=1 metric ton)? What is the answer and what is the best way to solve this?
