fooks

[匿名]

回覆: 1

2016-05-31 1:47 am

neutralization?

[匿名]

回覆: 2

2016-05-31 1:39 am

original concentration?

[匿名]

回覆: 1

2016-05-31 1:41 am

The compound zinc chloride is a strong electrolyte. Write the reaction when solid zinc chloride is put into water:?

[匿名]

回覆: 1

2016-05-31 1:13 am

Consider the reaction when aqueous solutions of chromium(III) nitrate and calcium bromide are combined. specify states such as (aq) or (s).?

[匿名]

回覆: 1

2016-05-31 1:24 am

How to you solve precipitate reactions?

[匿名]

回覆: 1

2016-05-31 1:16 am

In water, phosphoric acid dissociates according to the chemical reactions written below. Which of the following statements about?

[匿名]

回覆: 1

2016-05-31 1:18 am

substance aniline is weak nitrogenous base like ammonia Write a net ionic equation to show how aniline C6H5NH2 behaves as a base in water.?

[匿名]

回覆: 1

2016-05-31 1:14 am

The net ionic equation for this reaction is:?

[匿名]

回覆: 3

2016-05-31 12:46 am

Calculate the mass of sulfuric acid that is produced if all 43.3 grams of hydrochloric acid is consumed in the reaction. :)?

[匿名]

回覆: 1

2016-05-31 1:00 am

In water, every sulfuric acid molecule transfers H+ to water and becomes an HSO4 - ion. Some HSO4 - ions give off another H+ to form SO4 -2?

[匿名]

回覆: 1

2016-05-31 12:48 am

Write chemical,total ionic and net ionic equations for the reaction between the antacid aluminum hydroxide and stomach acid. Please explain!?

[匿名]

回覆: 1

2016-05-31 12:41 am

3Cl2 + 10CrO42-+ 44H+10Cr3+ + 6ClO3-+ 22H2O?

[匿名]

回覆: 1

2016-05-31 12:13 am

A sample contains .632 mol of O2 and .758 mol of H2O in a 5.56 L container.?

[匿名]

回覆: 1

2016-05-31 12:20 am

Sulfur (S) is element 16 on the periodic table. A sample contains 5.66×1026 atoms of S. Calculate the amount of S. mol S?

[匿名]

回覆: 1

2016-05-31 12:16 am

The pH of a 2.0M solution of a weak acid HA is 5, what is the Ka for this acid?

[匿名]

回覆: 1

2016-05-30 11:56 pm

What volume of 3.0M solution of KOH would you need to make 0.30L of a 1.25M solution of KOH?

[匿名]

回覆: 1

2016-05-30 11:59 pm

Tell me if the ion is written w/ the correct charge If the charge is incorrect give the correct charge. A) Li+ B) N2- C) Cl7+ D) Mg2+ E) H+?

[匿名]

回覆: 1

2016-05-31 12:01 am

How to create half reactions?

[匿名]

回覆: 1

2016-05-30 11:51 pm

Consider the following reaction. 2 Mg(s) + O2(g) 2 MgO(s) ΔH = -1204 kJ?

[匿名]

回覆: 1

2016-05-30 11:49 pm

If you have 0.8 L of 0.5M HCL solution. How many moles of HCL does this solution contain?

[匿名]

回覆: 2

2016-05-30 11:22 pm

for the following?

[匿名]

回覆: 4

2016-05-30 11:01 pm

Please help. Thanks.?

[匿名]

回覆: 1

2016-05-30 10:50 pm

According to the following reaction, how many moles of chlorine gas are necessary to form 0.970 moles phosphorus trichloride?

[匿名]

回覆: 1

2016-05-30 10:52 pm

Organic Chemistry?

[匿名]

回覆: 1

2016-05-30 10:47 pm

For the following reaction, 0.220 moles of iron are mixed with 0.187 moles of oxygen gas. iron (s) + oxygen (g) iron(II) oxide (s)?

[匿名]

回覆: 1

2016-05-30 10:42 pm

Chem pH solutions problem?

[匿名]

回覆: 1

2016-05-30 10:40 pm

Chemical formula for copper heated under bunsen burner?

[匿名]

回覆: 2

2016-05-30 10:34 pm

Is electrolysis only on electrolytic cell?

[匿名]

回覆: 1

2016-05-30 10:28 pm

Chem pH solutions problem?

[匿名]

回覆: 1

2016-05-30 10:13 pm

How many mL of 0.471 M HNO3 are needed to dissolve 5.10 g of BaCO3?

[匿名]

回覆: 1

2016-05-30 10:15 pm

How many grams of sodium chloride are dissolved to in 500. mL of a solution that has M=2.0?

[匿名]

回覆: 1

2016-05-30 10:16 pm

If 58.44 g of sodium chloride are dissolved in 1000.mL of H20, what is the M of the solution?

[匿名]

回覆: 1

2016-05-30 10:09 pm

how many grams of bromine will be formed upon the complete reaction of 24.3 grams of bromine trifluoride?

[匿名]

回覆: 1

2016-05-30 9:58 pm

Calculate the mass percent of aluminum chloride in this solution. PPLEASE (:?

[匿名]

回覆: 2

2016-05-30 10:00 pm

MY REVIEW FOR FINAL :(( Calculate the mass of copper produced during this reaction.?

[匿名]

回覆: 1

2016-05-30 9:55 pm

butane (C4H10) (g) + oxygen (g) carbon dioxide (g) + water (g)?

[匿名]

回覆: 1

2016-05-30 9:29 pm

is electrolysis only on electrolytic cell?

[匿名]

回覆: 2

2016-05-30 9:39 pm

How is the molecule trimethylene oxide named? I know what the structure but not how to number or come up with the name alone.?

[匿名]

回覆: 2

2016-05-30 9:35 pm

According to the following reaction, how many grams of sodium iodide are necessary to form 0.356 moles sodium chloride?

[匿名]

回覆: 2

2016-05-30 8:58 pm

Chemistry, help? Acid/Base solutions. Thanks!?

[匿名]

回覆: 3

2016-05-30 8:50 pm

Can someone please help me with chemistry?

[匿名]

回覆: 6

2016-05-30 8:44 pm

I try to do this problem just cant seem to get it. SQRT58+9x = x + 4 What is X?

[匿名]

回覆: 16

2016-05-30 8:43 pm

ALGEBRA HELP: How much dirt is there in a hole 3 feet deep, 6 ft long and 4 ft wide?

[匿名]

回覆: 5

2016-05-30 8:36 pm

Determine whether the function ƒ(x) = x4 − 4x2 − 1 is even, odd or neither.?

用戶69779

回覆: 2

2016-05-30 7:53 pm

How do you balance this equation?

[匿名]

回覆: 2

2016-05-30 7:27 pm

Help with this Quantum number question.?

[匿名]

回覆: 4

2016-05-30 7:26 pm

Simplify (4x^-2)^2/2x^3 using positive exponents. Please?

[匿名]

回覆: 2

2016-05-30 6:54 pm

How to solve these equations?

[匿名]

回覆: 2

2016-05-30 7:07 pm

In triangle PQR, PQ=17 in, PR=10 in, QR=21 in. Find the altitude from P to the side QR.?

[匿名]

回覆: 1

2016-05-30 6:55 pm

temperature of 58 g of water from 4.6◦C to 81◦C. How much heat is needed to accomplish this? The specific heat of water is 4180 J/kg?