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Chemical Equations
Page 6
Questions (957)
Use the unbalanced chemical equation to answer the question.
2NaHCO3 - Na2CO3 + CO2 Which of the following can be added to the
3 answers
asked by
Quira
91 views
The chemical equation shown below is not balanced (it does not follow the Law of Conservation of Matter). Ca + 2HCl --> CaCl2 +
1 answer
asked by
chicken nugget lover
163 views
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products?(1 point)
a.CH
1 answer
asked by
LELELE
97 views
Use the unbalanced chemical equation to answer the question.
2NaHCO3 → Na2CO3 + CO2 Which of the following can be added to the
3 answers
asked by
Anonymous
743 views
2B(cr)+#!2(g) --> 2AI2O3(cr)
1 answer
asked by
Jummal
130 views
Consider the following chemical equation:
NH3 + O2 → NO + H2O The equation is unbalanced. Which of the following is the correct
3 answers
asked anonymously
76 views
c2h2 + 2h2 → c2h6 suppose 20.0 mol of acetylene , 50.0 kmol of hydrogen and 50.0 kmol of ethene are charge into a batch of
1 answer
asked by
fatinnuraliah2111
369 views
how many grams of iron (111) sulfite pentahydrate are required to prepare a solution that has the equivalence of 0.339g of iron
2 answers
asked by
Wesley
516 views
Fe2o3+co=2Feo+co2
104.5moles +104.5moles=how many moles how i solved it
1 answer
asked by
LALATENDU
385 views
How do i finish and balance these equations:
1. _____KClO3 _____ KCl + ______ O2 2. _____ H2C2O4 + _____ NaOH
2 answers
asked by
Anonymous
654 views
concentration of[H+]ion in0.08M Ca(OH)2
1 answer
asked by
ruma
338 views
When the equation HCl + MnO2 → MnCl2 + H2O + Cl2 is balanced, what is the coefficient for HCl?
A. 1 B. 2 C. 3 D. 4***
3 answers
asked by
Cherry
980 views
Given the following chemical equation, determine how many grams of N2 are produced by 9.72 g of H2O2 and 6.53 g of N2H4
4 answers
asked by
lex
516 views
2 Na + 2 H20 --> 2 NaOH + H2
is this the balanced equation? and How do I find calulate the % yield of the products?
1 answer
asked by
Kimmy
420 views
For each of the following, write the chemical equation with appropriate equilibrium arrows, as shown in Table 5.
Table 5: No
2 answers
asked by
Avery
552 views
3no2 + h2o2 = 2hno3.
1 answer
asked by
Radiya
444 views
Balance the following the chemical equation:
N2 + O2 → NO
3 answers
asked anonymously
29 views
Given stocks of 1M lactic Acid (pka 3.86) at pH 3.5, 2 M NaOH, 2M HCl and water; how would you prepare 4 Liters of 0.05M lactic
3 answers
asked by
Michelle
470 views
Balance the following the chemical equation:
Ti3N + MgO → Mg3N2 + Ti2O Blank 1: Blank 2: Blank 3: Blank 4:
13 answers
asked anonymously
63 views
Which chemical equation is balanced?
1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused...
2 answers
asked by
Amy
571 views
1. Identify the reactants and products in this chemical equation.(1 point) 2H2 + O2 → 2H20
3 answers
asked by
quandale dingle
59 views
Someone please tell me if I'm doing this right... It's due tonight!!
Dr. Bob222, Yesterday I posted a question and you answered
2 answers
asked by
Jennie
513 views
What mass of Fe3O4 would be needed to
react with 1.38 x 103 mol H2? Fe3O4 + 4 H2 -> 3 Fe + 4 H2O
1 answer
asked by
Anonymous
395 views
I need help figuring out how to write these chemical reactions into chemical equations
Copper(II)oxide + hydrochloric acid ->
5 answers
asked by
Anonymous
653 views
Which chemical equation is balanced?
A. H2O----> H2+2O2 B. 2H2O---> 2H2+O2 C. 2H2O---> H2+2O2 D. H2O----> 2H2+2O2 Is the answer
3 answers
asked by
Callie
835 views
Given the following chemical equation, determine how many grams of N2 are produced by 8.58 g of H2O2 and 5.62 g of N2H4.
2H2O2(l)
2 answers
asked by
Tammy
676 views
What is the volume in milliliters of 0.1069 M Cr2O72- required to react with 252.4 mL of 0.08013 M Cl- according to the reaction
2 answers
asked by
madoo
531 views
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products?
1. CO2 + H20
3 answers
asked by
Alana
95 views
2C_656 H_1707 O_756 N_11 S+2823/2 (O_2+3.76N_(2 ) )→1312〖CO〗_2+1707H_2 O+10636.48 N_2+2〖SO〗_2
1 answer
asked by
hasham
275 views
how to balence an equasion
1 answer
asked by
Barry
397 views
Balance the following the chemical equation:
BLANK MgO + BLANK CaS → BLAMK MgS + BLANK CaO Blank 1: Blank 2: Blank 3: Blank 4:
3 answers
asked anonymously
88 views
I need someone to check to make sure that I balanced my equations correctly. I have to add a (g) or (s) to indicate gases and
1 answer
asked by
jazz
537 views
I think I balanced these equation right please check and let me know. i am suppose to complete and balance the equations
1 answer
asked by
jazz
494 views
2co2+1h2o->1c2h2+3o2
is this balanced?
3 answers
asked by
dully
47 views
Balance the following the chemical equation:
_ Na2O + _ CaBr2 → _ NaBr + _ CaO a 1:1:1:2 b 2:1:1:1 c 1:1:2:1 d 1:2:1:1
3 answers
asked by
dully
52 views
Balance the following the chemical equation:
_ Mg + _ F2 → _ MgF2 a 2:1:1 b 1:2:1 c 1:1:1 d 1:1:2
3 answers
asked by
dully
120 views
Which chemical equation is balanced? (1 point)
H20 H2 + 2O2 2H20 2H2 + O2 2H2O H2 + 2O2 H20 2H2 + 2O2 i think its c
7 answers
asked by
Anonymous
1,118 views
Write “yes” or “no” below if the chemical equation is balanced or not.
1. 2H2 + O2 ---> 2H2O 2. S8 + 12O2 ---> 8SO3 3.
3 answers
asked by
Anonymous
754 views
Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of
2 answers
asked by
Jessica
706 views
Balance the following the chemical equation:
MgO + CaS → MgS + CaO Blank 1: Blank 2: Blank 3: Blank 4:
3 answers
asked anonymously
103 views
In which chemical equation is the number of atoms in the reactants, the same as the number of atoms in the products
2 answers
asked by
Jo
74 views
_ Na2O + _ CaBr2 → _ NaBr + _ CaO
a 1:1:1:2 b 2:1:1:1 c 1:2:1:1 d 1:1:2:1
3 answers
asked anonymously
65 views
In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 6H2O.
Choose ALL the
3 answers
asked anonymously
63 views
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products?(1 point)
Resp
11 answers
asked anonymously
60 views
1.Br2(g) + ___H2O(l) + ___SO2(g) ---> ___HBr(aq) + ___H2SO4(aq)
2 answers
asked by
Unknown
500 views
Consider the following balanced chemical equation: 3(NH4)2CrO4 + 4Al + 24HCl --> 3CrCl2 + 6NH4Cl + 4AlCl3 + 12H2O.
a) How many
2 answers
asked by
Rachel
543 views
3.6gm na2hpo4 + 1gm nah2po4
1 answer
asked by
Anonymous
244 views
Use the unbalanced chemical equation to answer the question
2NaHCO3 -- Na2CO + CO2 Which of the following can be added to the
3 answers
asked by
Alana
63 views
Hi! Can someone please balance these equations, please?! I'm having major trouble! Thank you!
HCl (aq) + NaHCO3 (aq) �¨ HBr
2 answers
asked by
Hallie
823 views
In a chemical equation, what does a coefficient show?
the number of atoms of an element present in a molecule in the chemical
3 answers
asked anonymously
54 views
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Parent Categories (13)
Chemical Formulas
Chemical Reactions
Chemistry
Compounds and Reactions
Conservation of Mass
Equilibrium Constants
Inorganic Chemistry
Reactions
Redox Reactions
Science (or Chemistry)
Science and Chemistry
Stoichiometry
Types of Reactions