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tarkan
Questions (22)
an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how
2 answers
1,418 views
an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how
1 answer
1,416 views
plz answer my question
a river is 2 km wide and flows at 4km/h. a motorboat has a speed of 10 km/h in still water and heads out
0 answers
906 views
how to label the ecstasy molecular structure
plz name each part the formula is C11 H15 NO2 HCl
0 answers
434 views
in what categorize does Esctacy belong to? carbohydrate, lipid, protein or nucleic acid and why. can some give me 2 or 3 exaple
0 answers
822 views
how does esctacy work plz i need 3 explanation
2 answers
503 views
in what categorize does Esctacy belong to? carbohydrate, lipid, protein or nucleic acid and why. can some give me 2 or 3 exaple
1 answer
447 views
how can i calculate the pH of the solution obtained when 50.00mL of 0.150mol/L hydrochloric acid is added to 75mL of a 0.111
1 answer
588 views
an impure sample of oxalic acid C2O4H2, with a mass of 0.465g, is dissolved in water. a few drops of phenolphthalein indicator
1 answer
1,051 views
which of the following substances dissolve in each other? and why?
water ethylene glycol isopropanol cycolohexane ethyl acetate
1 answer
513 views
hey i need help .....how can i start the essay with the introduction ( containing my thesis) about the links between animal
1 answer
587 views
hey i need help for some of these questions and on pedigree with the help of this story......This is the story of Grandma and
4 answers
1,222 views
WHAT WILL BE THE BALANCE CHEMICAL FORMULA FOR THIS QOUESTION
ammonia is produced by sythesizing nitrogen and hydrogen gas. if i
1 answer
1,112 views
you decide to have a BBQ in your backyard. you have 1Kg of pentane (C5H12) in the tank. What is the amount of carbon dioxide (in
1 answer
637 views
an evil chemist would like to produce 2.4 toones of sulphur dioxide to pollute his city. the chemist know that zinc sulphide and
1 answer
1,018 views
ammonia is produced by sythesizing nitrogen and hydrogen gas. if i have 2 mols of nitrogen gas and 5 mols of hydrogen gas, which
2 answers
623 views
provide with enough heat, magnesium and oxygen can undergo a synthesis reaction. how much magnesium is neede if 3.5kg of product
2 answers
473 views
hydrogen peroxide (H2O2) decomposes into water and oxygen. what amount of hydrogen peroxide is necessary to produce 24g of
1 answer
733 views
nitrogen gas and oxygen gas combines to produce nitrogen dioxide. What amount of oxygen gas is needed to completely react with
3 answers
886 views
what mass of hydrogen will react with 25g of oxygen to produce water?
1 answer
551 views
you decide to have a BBQ in your backyard. you have 1Kg of pentane (C5H12) in the tank. What is the amount of carbon dioxide (in
2 answers
518 views
ten mols of metallic iron was dissolved in concentrated HCl.what is the balanced chemical equation?
a) what is the mass of each
1 answer
579 views
Answers (4)
hey can u show me the shorter way to do plzzz and thx for the answer... :)
thanks foe helping me, but there are no steps shown ????
C5H12 + 8O2 -----> 5CO2 + 6H2O i balance the equation i hope its right.so what the next step....
there is also part a) and b) to this qoustion that i wrote. i forgot to write it sorry. a) what amount of oxygen is neede to react completely with 2.4g of magnesium? b) if i have 2g of magnesium and 5g of oxygen, which reactant will run out first???
