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Chemistry
Page 53
Questions (96,852)
Rank the following compounds in order of increasing acid strength (1 = weakest, 4 = strongest)
HCOOH CH2ClCOOH CHCl2COOH CH3COOH
4 answers
asked by
Matt
1,183 views
DISCUSSION:
This experiment was conducted to determine the iron content in a breakfast cereal. The results indicate 39% iron in a
4 answers
asked by
Suzy
763 views
How can separate 1L samples of O2 and H2 have the same average velocity/
3 answers
asked by
mel
523 views
Can hypochlorite ions oxidize bromide to bromine?
In acid solutions, yes. That's the old qual test for bromide. Shake a solution
3 answers
asked by
Raj
1,281 views
Nitric acid can be prepared by bubbling dinitrogen pentoxide into water.
N2O5(g) + H2O -> 2H+(aq) + 2NO3-(aq) a) How many moles
3 answers
asked by
Dave
1,370 views
does anybody have the answers for science Matter Interactions unit test?
2 answers
asked by
guy
141 views
Reaction: Vinegar and Baking Soda.
Properties of the Original Substances: A clear liquid (Vinegar) and a white powder (Baking
4 answers
asked by
j
79 views
Matter Interactions Unit Test
1 of 131 of 13 Items Question Cobalt has a mass number of 59 and an atomic number of 27. A student
19 answers
asked anonymously
508 views
A hydrate of copper (II) sulfate with formula CuSO4.xH2O has a molar mass of 250.0 g/mol. 2.545 g of hydrate is heated and
5 answers
asked by
Kai
9,992 views
calculate the change in pH when 9.00ml of 0.100M HCl(aq) is added to 100.0mL of a buffer solution that is 0.100M in NH3(aq) and
4 answers
asked by
mike
11,062 views
Identify the products formed in this Brønsted-Lowry reaction.
HPO2−4+HBrO↽−−⇀acid+base Acid: Base:
4 answers
asked by
Sarah
14,952 views
Consider the decomposition of a metal oxide to its elements, where M represents a generic metal.
M203(s)---> 2M(s) + 3/2 O2(g)
10 answers
asked by
Kelsey
13,116 views
Balloon- CO2
Balloon- O2 Balloon- He Balloon- N2 Balloon- CH4 Represented above are five identical balloons, each filled to the
6 answers
asked by
Tina
5,420 views
In a .57 M solution of HOC6H5, .0684% of the acid has been dissociated.
a) find the concentrations of all aqueous species in the
4 answers
asked by
Anonymous
2,278 views
1. A chemist is performing a chemical reaction under a fume hood. The chemist has a set of beakers, flasks, and tubes set up
10 answers
asked by
Day
5,337 views
1. When 20cm^3 of a gaseous Allene burns in an excess of oxygen, 60cm^3 of carbon dioxide are formed. Both volumes are measures
4 answers
asked by
StuartKess
1,020 views
Which of the following is the strongest reducing agent?
Ca2+(aq) Li+(aq) Ca(s) Na(s) K(s) ans: K(s) but I don't understand why it
4 answers
asked by
lililiana
1,447 views
For 0.10 M ZnCl2 and 0.10 M KAl(SO4)2, find:?
a) spectator ions (if any) b) ions expected to hydrolyze (if any) c) net ionic
4 answers
asked by
Isabella
3,085 views
Can you please tell me if these are right?
Classify the solutes in the following equations as a weak electrolyte, a strong
4 answers
asked by
Jason
3,091 views
Hydrazine,N2H4 burns in oxygen...
A...what are their product?(in chemical equation). B..How many bondes are broken? C..How many
11 answers
asked by
wilfer kopz
4,316 views
I need an equation for the neutralization of lemon juice (citric acid) with baking soda (sodium hydrogen or sodium bicarbonate)
4 answers
asked by
Norma
3,786 views
Calculate the number of moles and number of grams of solute in 250 mL of a 0.10M CaCl2.
4 answers
asked by
Shaun
2,682 views
Matter Interactions Unit Test
Science 8 Q1 / Matter Interactions The image is a model of sulfuric acid that has a chemical
2 answers
asked by
iuytredszdxcbnmjkjiu876543wq2asZxbnmkoiu8y76543wq2
327 views
Calculate the radius of a tantalum (Ta) atom, given that Ta has a BBC crystal structure, a density of 16.6g/cm³, and an atomic
4 answers
asked by
Josh Baruma
549 views
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide
21 answers
asked by
robert the crane truck
328 views
Chemical Reactions Quick Check
Science 8 Q1 / Matter Interactions Use the chemical reaction to answer the question.
7 answers
asked by
iuytredszdxcbnmjkjiu876543wq2asZxbnmkoiu8y76543wq2
510 views
An enzyme is a special kind of catalyst. How does it work?
Netflix's Power Ranger Series Just Got A Lot More Exciting By Landing
2 answers
asked anonymously
78 views
Which of the following would shift this reaction to the right?
N₂ (g) + 3H₂(g) ⇄ 2NH₃ (g) + energy
1 answer
asked by
Someone
79 views
Is nitrogen and phosphorus classified as halogens
1 answer
asked by
Joe
62 views
The image is a model of sulfuric acid that has a chemical formula of H2SO4. In 1-2 sentences, explain why creating models, like
6 answers
asked anonymously
246 views
How many moles of H are present in 1.85 moles of Benadryl?
Express your answer to three significant figures and include the
3 answers
asked anonymously
68 views
How do I write a balanced half ionic equation of aluminium oxide at the cathode?
3 answers
asked by
Madlyne
1,322 views
The extent of ionisation in a 0.75M solution of a monoprotic acid is 0.040. calculate Ka
1 answer
asked by
shelagh
421 views
Give the full mechanism for the reaction of 3-bromo-3-methylpentane with methanol.
Thank you!
2 answers
asked by
Jesicca
1,122 views
21. Classify the following solutions in order of increasing pH:
a. 0.01 M NaOH b. pure water c. 0.10 M HCl d. 0.05 M NaOH e.
2 answers
asked by
scilover
620 views
25.00mL of an unknown sulfuric acid solution is titrated to the second equivalence point with 21.02mL of 0.420M potassium
2 answers
asked by
Jaden
729 views
Which of the two is the stronger base?Give your reason.
hco3- or co3-2
3 answers
asked anonymously
73 views
C6H6(l) + Cl2(g) --> C6Cl6(s) + HCl(g)
Consider the unbalanced equation above. What is the maximum mass of each of the products
3 answers
asked by
Jade
749 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
huh
199 views
What is always true according to the Law of Conservation of Matter? (1 point)
O New molecules cannot be formed from the reactants
3 answers
asked anonymously
61 views
Three volatile compounds X,Y, and Z each contain elements Q. The precent by weight of element Q in each compound was determined.
1 answer
asked by
Lucy
1,181 views
4al+3o2 2al2o3 what volume of o2 do you need to use up 100kg Al at SATP
2 answers
asked by
Anonymous
494 views
what is the difference between a chemical that is an irritant compared to a chemical that is corrosive?
2 answers
asked by
josh
552 views
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)
Responses
3 answers
asked anonymously
48 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
71 views
Covalent and Ionic Bonding Quick Check 4 of 54 of 5 Items Question Which phrase best describes electronegativity?(1 point)
3 answers
asked anonymously
240 views
Describe in each case what you could add to the following aqueous solutions in order to separate one or more cations or anions
1 answer
asked by
Charles
384 views
Matter Interactions Unit Test
1 of 131 of 13 Items Question Cobalt has a mass number of 59 and an atomic number of 27. A student
33 answers
asked by
ijwdi
319 views
Matter Interactions Unit Test
3 of 133 of 13 Items Question Use the periodic table to answer the question. An illustration shows
3 answers
asked anonymously
77 views
The liquid from a car battery was placed in three test tubes. To the first test tube 2 drops of methyl Orange were added, in the
3 answers
asked by
Maggie.K
63 views
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