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Chemical Equations
Page 8
Questions (957)
Which chemical equation is balanced to show that mass is conserved during the reaction?
A.Na+Cl -> NaCl B.2H2 O2 -> CO2+2H2 O +
3 answers
asked by
hai
53 views
Use the equation to answer the question. CH4 + 2O2 → CO2 + 2H2O If you change the 2 in front of 2O2 to a 3, what will be the
3 answers
asked by
Pls help
71 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) Zn
3 answers
asked by
Thebloxyman011
50 views
Chemical equations must be balanced because:
a the mass of the products is always greater than the mass of the reactants. b the
3 answers
asked anonymously
51 views
According to the Law of Conservation of Mass, chemical equations do not have to be balanced.
True False
3 answers
asked anonymously
38 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
Cool
67 views
Balance the following equation:
C(s)+o2(g)->co3(g) a 2, 1, 1 b 2, 3, 2 c 1, 1, 1 d 3, 3, 2
3 answers
asked by
dully
32 views
According to the Law of Conservation of Mass, chemical equations do not have to be balanced.
True False
3 answers
asked by
dully
40 views
In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 4CO2.
Choose ALL the
3 answers
asked by
dully
45 views
When balancing a chemical equation, which of the following can be changed?
Test Studying GIF by Ben Stillman a the mass b the
3 answers
asked by
dully
42 views
C5H602+O2 ---> CO2+H2O
what is the coefficient of O2?
1 answer
asked by
Lily
429 views
what can you tell about the equations 2 P2O5?
2 answers
asked by
Stacey
673 views
Question 19
Balance the following the chemical equation _Na2O + _ CaBr2 → _ NaBr + _ CaO A. 1:1:2:1 B. 1:1:1:2 C. 1:2:1:1 D.
3 answers
asked by
Form
39 views
Question 11
Balance the following the chemical equation _Mg + _ F2 → _ MgF2 A. 1:1:2 B. 1:1:1 C. 1:2:1 D. 2:1:1
3 answers
asked by
182838
33 views
Balance the following chemical equation
Blank C2H6 + Blank O2 → Blank CO2 + Blank H2O
3 answers
asked by
Maya
53 views
In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 6H2O
Choose ALL the
3 answers
asked by
Name
55 views
In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 6H2O
Choose ALL the
3 answers
asked by
Name
63 views
The chemical equation for the reaction between magnesium (Mg) and hydrochloric acid (HCl) is shown.
Mg + 2HCl → MgCl2 + H2
3 answers
asked by
Snaggy
57 views
In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 4CO2.
Choose ALL the
3 answers
asked by
Snaggy
82 views
When balancing a chemical equation, which of the following can be changed?
the formulas b the mass c the coefficients d the
3 answers
asked by
Snaggy
44 views
What are the net ionic equations for: 1. Potassium Fluoride and Ammonium Chloride and 2. Sodium Hydrogen Sulfite and Potassium
1 answer
asked by
Ann
1,206 views
Look at the following equation.
__Au2O3 → __Au + __O2 In order to follow the law of conservation of mass, this equation must
3 answers
asked by
Snaggy
43 views
Calculate the pH of a solution prepared by mixing 150.mL of 0.174 molal aqueous HF (density=1.10g/mL) with 37.5 g of an aqueous
1 answer
asked by
does anyone get this???
493 views
what is the balance equation if lactic acid is added with sodium biacarbonate and potassium bicarbonate
3 answers
asked by
Anonymous
454 views
Using equation: 2Fe(OH)3 + 3H2SO4 -> Fe2(SO4)3 + 6H2O
Question: How many molecules of H2O can be made from 9.21 x 10^22 molecules
2 answers
asked by
tyler
483 views
Show that one mole of sugar equals 342 grams.
1 answer
asked by
Stephanie
384 views
Which statement about the balanced equations for nuclear and chemical changes is correct?
A chemical equation is balanced
3 answers
asked by
Pls help
101 views
well i need to know why these equation equals 2Mol
the equation is: 116g por litro es 2M and 11.6g en 100mL is 2M
1 answer
asked by
klariss
689 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 anonymously
38 views
2. Given the following equation, C2H5OH(l) + 3 O2(g)---> 2 CO2(g) + 3 H2O(l)
How many liter of CO2 are expected in the combustion
2 answers
asked by
hannah
897 views
Consider the following chemical equation: NaOH (aq) + HCl (aq) ® NaCl (s) + H2O (l), the reactant NaOH?
2 answers
asked by
Alexandria
1,206 views
I need to understand how to make a net ionic equation using the following elements:
Sr++, Hg2, NaCl Or these: NH4, Ca++, K2SO4 I
1 answer
asked by
Susan
364 views
I have these 5 chemical equations and I keep getting the same 1:1 ratio on all of them. I must be doing something wrong!
KCL +
2 answers
asked by
Ann
698 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?(1 point)
Responses it shows that the
3 answers
asked anonymously
41 views
What is the molarity of OH- in a 5.78×10-3 M C6H5CO2Na solution that hydrolyzes according to the equation.
C6H5CO2-(aq) + H2O(l)
2 answers
asked by
carly
876 views
chemistry: 50mL HNO3 + 50.5mL HaOH = volumn?
1 answer
asked by
Julia
392 views
convert 2(NH4)3PO4+3HgSO4=3(NH4)2SO4+Hg3(PO4)2 into complete ionic equation,then net ionic equation
2 answers
asked by
mike
671 views
Blank N2 + Blank H2 = Blank NH3
3 answers
asked anonymously
21 views
what is an equation for ascorbic acid and sodium hydrogen carbonate?
1 answer
asked by
Mary
378 views
Which chemical equation is the number of atoms in the reactants, the same as the number of atoms in the products
3 answers
asked anonymously
74 views
se the equation to answer the question: CH4 + 2O2 → CO2 + 2H2O If you change the 2 in front of 2O2 to a 3, what will be the
7 answers
asked by
who
91 views
C6H12O6=180 gm
to make 1M how much H2O will you need? to make a o.1M how much H2O will you need?
1 answer
asked by
ad
342 views
Balance the following equations:
a. C + O2 CO b. CO + O2 CO2 c. H2 + Br2 HBr d. K + H2O KOH + H2 e. Mg + O2 MgO please explain
3 answers
asked by
Kendra
560 views
How do I write and balance this chemical equation as a double replacement reaction:
K2SO4(aq) + PB(NO3)2 (aq)
3 answers
asked by
Carissa
656 views
Which of the following describes what it means for a chemical equation to be balanced?
It has the same type of molecules on both
3 answers
asked anonymously
21 views
What is the equation for HOCl dissolves in HOH?
I don't get it...
1 answer
asked by
Kiki
332 views
If you have CL2 + H2o ---> H+ + Cl- + HOCl
and you are given [HOCl] = 0.06 M and you have to find pH.... can you assume that
4 answers
asked by
Kiki
767 views
using this equation: CH4+2Cl2-> CH2Cl2+2HCl. If 6.00g of Ch4 are mixed with 6.00g of Cl2, how much HCl can be made?
2 answers
asked by
jill
1,006 views
what chemicals are being added together in the chemical equation of 2HCL + Ca -> CaCl2 + H2
3 answers
asked by
maddi
429 views
Complet and balance the following equation.
F2 (g) + HCI (g) == ?? Which element or ion is oxidized and which one is reduced?
2 answers
asked by
Paul
493 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