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Chemistry
Page 6
Questions (97,994)
Equation For The Reaction Between Zinc Metal And Dilute Tetraoxosulphate (vi) Acid
6 answers
asked by
Favour
3,968 views
Matter Interactions Unit Test
7 of 13 Items Item 7 Use the table to answer the question. Observation # Before Reaction
7 answers
asked by
8th grade Connexus student
3,584 views
The double displacement reaction of aluminum sulfate and calcium hydroxide.
5 answers
asked by
hannah
4,405 views
What would be the ph of a 0.20M CH3COOH solution if no salt were present?
5 answers
asked by
Lazima Hassan
2,223 views
Which are particles that make up the nucleus of an atom select the two correct answers
3 answers
asked by
Garris
290 views
H2O2→ O2 + 2H+ + 2e- OCl- + 2H+ + 2e-→ H2O+ Cl- H2O2(aq) + OCl-(aq) → H2O(l) + Cl- (aq) + O2(g)Assign oxidation numbers to
4 answers
asked by
B
5,271 views
Which aqeuous solution has a freezing point closest to that of 0.30M C12H22O11?
A) 0.075M AlCl3 B) 0.15M CuCl2 C) 0.30M NaCl D)
4 answers
asked by
Vic
2,496 views
Complete and balance the reaction
Al(s) + Pb2+(aq) → using the smallest possible integers. What is the coefficient of Pb in the
4 answers
asked by
tyler
1,007 views
how many grams of NaOH are needed to neutralize 50 grams of H2SO4?
23 answers
asked by
kumera
10,762 views
The reaction of 2.5 mol of O2 with 4.6 mol of C3H8 will produce ________ mol of H2O.
4 answers
asked by
Anonymous
15,866 views
Aluminum sulfate reacts with calcium hydroxide (from lime) to form aluminum hydroxide and calcium sulfate. Write the balanced
6 answers
asked by
Ana
13,674 views
25cm3 of a solution of 0.1mol dm-3 NaoH reacts with 50cm3 of a solution of hydrochloric acid.What is the molarity of the acid
7 answers
asked by
jonah
7,840 views
Wine is approximately 12% ethanol (CH3CH2OH) by volume. Ethanol has a molar mass of
46.06 g/mol and a density 0.789 g/mL. How
6 answers
asked by
Seid
5,535 views
Describe how you would prepare a pure dry sample of calcium chloride in the laboratory
6 answers
asked by
Grace m
4,677 views
Which equation shows conservation of mass and charge?
A.NH4Br → NH3 + Br2 B. 2Mg + Fe3+ → Mg2+ + 3Fe C. H2SO4 + LiOH →
6 answers
asked by
Angie
7,209 views
The overall balanced equation for the production of ethanol from glucose is as follow
C6H12O6 = 2C2H5OH + 2CO2 a) what is the
4 answers
asked by
Usman Bilal
3,676 views
S2Cl2, AlCl3, SiCl4, PCl3 which one is least polar give reason
7 answers
asked by
hajieka
3,765 views
If one mole of hydrocarbon contain 4g of hydrogen and it molar mass is 40g.what is the homologous series of the compound
5 answers
asked by
fatima
2,111 views
Silver chloride, AgCl, would be least soluble in
A.1.0M HCl B.1.0M NaNO3 C.1.0M ZnCl2 D.1.0M AgNO3 and why? thx
5 answers
asked by
saphire
7,549 views
what is the freezing point of a solution of 12.0 g of CCl4 dissolved in 750.0g of benzene? the freezing point of benzene is 5.48
5 answers
asked by
Kim
4,327 views
what is the name for the following coordination compounds or ions?
1. [Al(H2O)6] Br3 2. [Cr(NH3)6] Cl3 3. K3[FeF6] 4. [Zn(OH)4]-2
5 answers
asked by
Rachel
6,060 views
Why is the second derivative of a titration curve more accurate method to determine endpoints and equivalence points than the
4 answers
asked by
tevon
8,659 views
What is the half equation for oxidation process for copper strip inside of silver nitrate solution?
4 answers
asked by
Denica
4,337 views
Calculate the percent ionization of a 0.15 formic acid solution in a solution containing 0.11 potassium formate.
I have the
5 answers
asked by
redgy
3,075 views
The action of heat on lead (ii) trioxonitrate (v).which type of chemical reaction is this.
5 answers
asked by
Anonymous
2,744 views
If the reaction between H2 and I2 to form HI were at equilibrium and an additional 0.25 moles of H2 were added to the reaction,
5 answers
asked by
HQade
2,294 views
a mixture of methane and ethane is stored in a container at 294 mmHg. The gases are burned in air to form co2 and h2o. if the
4 answers
asked by
maggie
2,574 views
1.33dm³ of water at 70°c are saturated by 2.25moles of Pb(NO3)2, and 1.33dm³ of water at 18°c are saturated by 0.53mole of
17 answers
asked by
Kashim
4,432 views
Reaction Rates Portfolio Chemistry B Reaction Rates there are no instructions on how to do this, the teacher won't explain it
7 answers
asked by
Anonymous
1,529 views
ia 3ag2S+2AL = 6 ag +al2s3 a double replacement or single replacement
5 answers
asked by
Patricia
3,317 views
3.22g of hydrated sodium sulphate, Na2SO4 X H2O were hearted to a constant mass of
1.42 g. Determine the value of x in the
5 answers
asked by
Freddy
2,549 views
What is the molarity of KOH in a solution that has pH of 10.0?
4 answers
asked by
Nick
1,689 views
Rank the compounds by stand molar entropy.
F2(g), Ne(g), HF(g) I am a little confused by this question, wouldn't it be ranked by
5 answers
asked by
Anonymous
7,933 views
A 0.5130 g aspirin tablet which was dissolved in 95 percent ethanol required 27.98 mL of 0.1000 M NaOH for neutralization. Then
4 answers
asked by
kelis
1,243 views
A 25.00mL sample of 0.100M HC2H3O2 is titrated with 0.100M NaOH. What is the pH after 25.00mL of NaOH have been added? Ka
5 answers
asked by
Leaf02
892 views
What is the molar concentration of K4Fe(CN)6 solution if 40 ml were used to titrate 150 mg of Zn ( that are dissolved ) forming
4 answers
asked by
Mary
1,284 views
2Cu+O²--->2CuO
Identify the reactans in the equation .write down their names
4 answers
asked by
Neo
1,225 views
45 grams of salt are dissolved in 0.10 L of solution. What is the concentration in g/L?
4 answers
asked by
Anonymous
1,103 views
The pH of an NH3 and NH4Cl solution is 9.20. What is the [H3O+]
4 answers
asked by
Leaf02
607 views
calculate the Volume Occupied By 0.125mol of oxygen at 27 and Pressure Of 2.02*10[1mol of gas occupies 22.4dm
4 answers
asked by
Anonymous
452 views
why might you not observe a reaction even though an activity series indicates it should occur?
4 answers
asked by
mel <3
1,397 views
H3PO4 + 3KOH = K3PO4 + 3 H2O What would be the percent yield if you reacted 49.0g of H3PO4 with 112g of potassium hydroxide, and
4 answers
asked by
Glenda
2,595 views
Sulfuric acid is diluted in water to make new mixtures. In one container, 72 ml of a 14% acid solution and, in another
4 answers
asked by
Alex
819 views
A 0.65 mole quantity of O2 occupies 4.0 L at 20.◦C. What is the final pressure exerted by the gas?
1. 0.92 atm 2. 3.9 atm 3.
6 answers
asked by
Dijames
6,457 views
Write the standard line notation for each cell below.
IO3-(aq) + Fe2+(aq)--> Fe3+(aq) +I2(aq)
4 answers
asked by
Janvi
4,290 views
Use the equation to complete the activity.
21986 Rn + Beta→21985 As The nuclear equation shows a form of radon into astatine
3 answers
asked anonymously
74 views
A 25.0ml sampla of H2SO4 is titrated with 30.0ml of 0.150m NaOH.calculate the concentration of the H2SO4.
2 answers
asked by
Leilanie
174 views
calculate the number of atoms in 50 dm3 nitrogen gas
6 answers
asked by
ndalama
4,501 views
What is the approximate pH of a solution labeled 6 x 10^-5 M HBr?
7 answers
asked by
jahil
6,505 views
A 1.2M NaOCl solution is prepared by dissolving solid NaOCL in distilled water at 298K. The hydrolysis reaction
OCl-(aq) + H2O(l)
7 answers
asked by
Anonymous
2,170 views
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