wanszeto

[匿名]

回覆: 2

2018-02-20 11:40 pm

Write and balance the 5 reactions?

[匿名]

回覆: 11

2018-02-20 7:53 pm

ALGEBRA QUESTION?

[匿名]

回覆: 3

2018-02-20 6:27 pm

What is the maximum number of grams of ammonia, NH3,?

[匿名]

回覆: 2

2018-02-19 11:09 pm

Find the percent anhydrate in CaSO4 - 2H2O. If 16g of the calcium sulfate hydrate are heated until all the water evaporates off, mass?

[匿名]

回覆: 1

2018-02-19 11:42 pm

Iodide is oxidized by hydrogen peroxide according to the following mechanism?

[匿名]

回覆: 3

2018-02-19 1:07 pm

What are the balanced chemical equations?

[匿名]

回覆: 11

2018-02-18 3:18 pm

In a group of 32 men and women, there are 6 more women than men. How many people of each gender are there?

[匿名]

回覆: 3

2018-02-15 12:22 am

Calculate the volume that 4.9 kg of ethylene gas (C2H4) will occupy at STP.?

[匿名]

回覆: 5

2018-02-14 4:22 pm

If 2.0 g of copper(II) chloride react with excess sodium nitrate?

[匿名]

回覆: 1

2018-02-14 12:19 pm

The dissociation of molecular iodine into iodine atoms is represented as I2(g) ⇌ 2I(g) what are the concentrations?

[匿名]

回覆: 1

2018-02-14 1:43 pm

20 mL of 0.02 M sodium hydroxide was required to neutralize 20 mL of 0.10 M hydrochloric acid to which 1 gram of Milk of Magnesia...?

[匿名]

回覆: 2

2018-02-14 11:21 am

hypobromous acid intermolecular force?

[匿名]

回覆: 3

2018-02-13 10:35 pm

Classify into primary secondary or tertiary c6h5 ch2br, (c6h5)2 chbr, c6h5 ch(ch3)br, (c6h5)2 c(ch3)br?

[匿名]

回覆: 1

2018-02-13 1:53 am

The rate constant for this second-order reaction is 0.900 M–1·s–1 at 300 °C. A -> products?

[匿名]

回覆: 2

2018-02-13 1:01 am

Which element is NOT found in a molecule of adenine?

[匿名]

回覆: 2

2018-02-13 12:07 am

Are the three double bonds in a benzene ring one pi system?

[匿名]

回覆: 1

2018-02-12 10:04 am

Solve the system by substitution. Check the answer. (PLEASE ANSWER = 10 POINTS!!!!!)?

[匿名]

回覆: 2

2018-02-12 9:58 am

what type of chemical reactions are these?

[匿名]

回覆: 1

2018-02-12 9:18 am

A gas occupying 75.91 mL at 26.95*C is cooled until the volume reaches 67.75 mL. Determine the temp at the new volume and state result in C.?

[匿名]

回覆: 1

2018-02-12 9:21 am

Please Help with Balanced Equations?

[匿名]

回覆: 1

2018-02-12 9:05 am

Please Help with Balanced Equations?

[匿名]

回覆: 3

2018-02-11 2:18 pm

MATH help; what am I doing wrong? I have shown my work for a) and I don't know how to do this obviously?

[匿名]

回覆: 1

2018-02-08 4:32 pm

Please help complete these reactions by adding the organic products!?

[匿名]

回覆: 3

2018-02-08 12:23 am

Look at strontium (Sr) in the periodic table. Would you expect it to be more or less reactive than calcium? Explain?

[匿名]

回覆: 4

2018-02-07 4:21 pm

What is the value of x? Show your work?

[匿名]

回覆: 3

2018-02-07 3:22 pm

If a steel spatula experiences a force of 0.24 N when scraping against a teflon frying pan...?

[匿名]

回覆: 3

2018-02-07 2:31 pm

How many grams of oxygen are required to react with 19.0 grams of octane (C8H18) in the combustion of octane in gasoline?

[匿名]

回覆: 3

2018-02-07 2:11 pm

Friction- Mass on an Incline?

[匿名]

回覆: 8

2018-02-06 9:24 pm

why does some elements dont have atomic mass number?

[匿名]

回覆: 3

2018-02-06 2:24 pm

a 25cm pendulum swings through an angle of 30degrees.find the lenght of the arc through which the tip of the pendulum swings.?

[匿名]

回覆: 3

2018-02-06 2:41 pm

find the number of 4 letter word that can be made using the letters of RADIANCE.?

[匿名]

回覆: 1

2018-02-06 12:11 pm

Fe(s) + Cu2+(aq) --> Fe2+(aq) + Cu(s) EoCell = 0.78 V If [Cu2+] = 0.3 ,what [Fe2+] is needed so that Ecell = 0.76 V?

[匿名]

回覆: 1

2018-02-06 1:26 pm

Using the balanced reaction (HC2H3O2(aq) + KOH(aq)), calculate the amount of 0.0025 M KOH that would neutralize 23 mL of 0.0025 M HC2H3O2??

[匿名]

回覆: 8

2018-02-06 11:25 am

8 8 8= 6 use any mathematical sign to get this answer?

[匿名]

回覆: 2

2018-02-06 9:53 am

Factor each expression?

[匿名]

回覆: 1

2018-02-06 9:25 am

Molarity Determination of Alcohol?

[匿名]

回覆: 2

2018-02-06 7:34 am

What happens when 2NA(NO3) + Cu(OH)2 gets heated?

[匿名]

回覆: 2

2018-02-06 1:15 am

A gas with an empirical formula of CH2 has a density of 1.88 g/L at 0.00 degrees Celsius and 1.00 atm. What is it's chemical formula?

[匿名]

回覆: 3

2018-01-28 12:58 am

Finding pH, pOH, H3O+,&OH- given 4 aq solutions.(Assume volumes are additive) Here is the question and my work: https://imgur.com/a/7tCIh?

[匿名]

回覆: 2

2018-01-27 3:23 pm

Finding pH, pOH, H3O+, and OH- given 2 aq solutions. The problem I am having trouble with is here: https://imgur.com/a/pq0KN?

Christopher

回覆: 2

2018-01-26 7:35 pm

Dealing with chemistry question?

[匿名]

回覆: 2

2018-01-26 7:15 pm

for the equation given below, evaluate dy/dx at the point (-2,1). (3x-y)^4+2y^3=2403. dy/dx at (-2,1)=?

[匿名]

回覆: 2

2018-01-26 11:39 am

For which of the following can the metal ions be separated by adding a solution of hydrochloric acid (HCl(aq))?

[匿名]

回覆: 2

2018-01-26 8:23 am

Chemistry help, thermodynamics?

[匿名]

回覆: 1

2018-01-26 8:45 am

97.90 mL of water was heated from 2.0°C to 25.0°C. The density of water is 1.00 g/mL. What is the mass of the water used?

[匿名]

回覆: 2

2018-01-26 9:27 am

NEED HELP ASAP PLEASEEEE Which reaction is both a redox and a decom- position reaction?

[匿名]

回覆: 4

2018-01-26 12:25 am

Physics Question?

[匿名]

回覆: 2

2018-01-25 3:40 pm

Ideal gas and work?

[匿名]

回覆: 1

2018-01-25 3:35 pm

what physical property of water and HCl allows us to seperate them from the zinc chlorine produced in the reaction?

[匿名]

回覆: 1

2018-01-24 9:03 am

Need help on finding rate of reaction! Chemistry.?