wanszeto

[匿名]

回覆: 1

2017-02-27 2:41 pm

Write Qc for the reaction of hydrogen chloride gas with oxygen gas to produce chlorine gas and water vapor.?

[匿名]

回覆: 2

2017-02-26 3:23 pm

Consider the following equation, which represents the combustion (burning) of heptane (C7H16). C7H16(g)+11O2(g)→7CO2(g)+8H2O(g)?

[匿名]

回覆: 1

2017-02-24 9:48 pm

Starting with 400 mg of NaN3 what will be the volume of the products at the end of the reaction ?

[匿名]

回覆: 1

2017-02-24 4:12 pm

2NaHCO3→Na2CO3+CO2+H2O 1. How many liters of CO2 at STP are produced from the reaction of 4.7 moles NaHCO3?

[匿名]

回覆: 3

2017-02-22 2:58 pm

How do I do this Maths Problem? It is Absolute value. | 2a | > 4 I can do it with = signs but not >'s Please explain how thanks?

[匿名]

回覆: 1

2017-02-21 7:00 pm

(-3/7) divided (-3 2/11)?

[匿名]

回覆: 1

2017-02-21 1:00 pm

An element crystalizes in a FCC?

[匿名]

回覆: 1

2017-02-21 12:05 pm

No Absolute Values?

[匿名]

回覆: 3

2017-02-21 1:02 am

Make the t the subject P = 3 - 2t / 4 + t Working please :) thanks!?

[匿名]

回覆: 5

2017-02-19 11:39 pm

How do you solve this simultaneous equation? 4x+y=4 2x+3y=-3?

[匿名]

回覆: 3

2017-02-17 9:45 am

Two numbers have a sum of 119 and a difference of 25. What are the two numbers? For writing and solving a system of equations?

[匿名]

回覆: 1

2017-02-16 12:38 am

HClO is a weak acid (Ka = 4.0 × 10–8) and so the salt NaClO acts as a weak base.?

[匿名]

回覆: 1

2017-02-15 1:59 pm

Balancing Chemical Equations?

[匿名]

回覆: 4

2017-02-14 11:34 pm

Can someone help me factor x^4-3x^2+2?

[匿名]

回覆: 1

2017-02-12 1:49 pm

Chemistry Help!!!?

[匿名]

回覆: 1

2017-02-12 10:49 am

The Reaction is: Ag(NH3)2Cl (aq) + 2HNO3 (aq) → ? What are the products? What is the Total Ionic equation? What is the Net Ionic equation?

[匿名]

回覆: 2

2017-02-10 4:18 pm

Maths parallel question?

[匿名]

回覆: 3

2017-02-10 1:35 pm

Show that (3x+2)/(x+1)=3-((1)/(x+1))?

[匿名]

回覆: 1

2017-02-10 1:26 pm

calculate the molar enthalpy change when tungsten is heated by 15k? molar heat capacities of tungsten is 24.2 c(j/k*mol )?

[匿名]

回覆: 2

2017-02-10 12:16 am

Algebra 2 Help?

[匿名]

回覆: 2

2017-02-08 2:50 pm

calculus problem?

[匿名]

回覆: 3

2017-02-08 11:42 am

A jet airplane reaches 833./kmh on a certain flight. How long does it take to cover 335.m? using unit conversions?

[匿名]

回覆: 4

2017-02-07 3:45 pm

Suppose a line goes through the points (1, 7) and (–2, –8). Write the equation of the line. Determine the intercepts of the line and?

[匿名]

回覆: 1

2017-02-07 1:59 pm

How much heat (kJ) is absorbed by 193.7 g of water in order for the temperature to increase from 25.00∘C to 32.50∘C?

[匿名]

回覆: 4

2017-02-03 4:03 pm

What is 0.116 with the 16 repeating as an fraction?

[匿名]

回覆: 1

2017-02-02 12:14 am

organic chemistry please help over 39 attempts?

[匿名]

回覆: 4

2017-01-31 1:39 pm

prove by induction 3^n -1 is even?

[匿名]

回覆: 3

2017-01-31 1:37 am

What is the inverse function of x➡️7x?

[匿名]

回覆: 1

2017-01-30 11:26 pm

how much acetylene will be produced when 500g of calcium carbide reacts with 1 gallon of water?

[匿名]

回覆: 2

2017-01-29 12:18 pm

LeChatlier’s Principle?

[匿名]

回覆: 1

2017-01-29 1:15 am

Chemistry Help Please?

[匿名]

回覆: 2

2017-01-25 9:10 am

Activated carbon vs charcoal??

[匿名]

回覆: 2

2017-01-24 11:43 pm

iron with a mass of 25 grams is dropped into 100 grams of water. the change in temperature is 72. What is the temp change in the water?

[匿名]

回覆: 1

2017-01-24 5:42 pm

why oixidation reduction takes place at standard hydrogen electrode?

[匿名]

回覆: 3

2017-01-24 11:01 am

How to solve this? http://i.imgur.com/sE6NF2E.jpg?

[匿名]

回覆: 1

2017-01-24 1:14 am

Predict the geometry around the central atom in XeO4.?

Wong

回覆: 1

2017-01-21 2:13 am

Math help how to solve (6x^4 +x^3 +3x -2) / (2x^2 +x -1)?

[匿名]

回覆: 1

2017-01-20 3:53 pm

Chemical Equlibrium Question I am not sure about.?

[匿名]

回覆: 8

2017-01-19 1:03 am

Enter the numbers in the boxes to complete the sentence below. The difference (-2x3 + 9x2 + 5) - (5x3 + 4x2 - 8x - 1) is equal to?

[匿名]

回覆: 1

2017-01-18 12:01 pm

A 10.0 mL sample of sulfuric acid was titrated with 38.72 mL of 0.148M Sodium Hydroxide. SEE THE REST OF THE QUESTION.?

[匿名]

回覆: 1

2017-01-17 2:33 pm

Write the main-shell electron configuration for neutral sulfur that has atomic number 16.?

[匿名]

回覆: 4

2017-01-17 9:23 am

I'm unable to solve this problem I tried so many times but I didn't get the answer?

[匿名]

回覆: 1

2017-01-17 1:08 am

Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of barium hydroxide and magnesium nitrate?

[匿名]

回覆: 1

2017-01-16 1:03 am

predict the product of calcium bromide+ lithium carbonate?

[匿名]

回覆: 2

2017-01-13 7:55 pm

How many grams of sodium iodide, NaI, must be used to produce 71.1 g of iodine, I2?

[匿名]

回覆: 2

2017-01-13 12:34 pm

What combination of substances will give a buffered solution that has a pH of 5.05?

[匿名]

回覆: 1

2017-01-12 7:57 pm

Calculate the amount of energy required to vaporize 1.97 mol of dihydrogen monoxide given the molar enthalpy of vaporization?

[匿名]

回覆: 1

2017-01-11 3:55 pm

1. Which cation in the following ionic compounds have the highest charge? 2. Which of the following reactions is incorrectly labeled?

[匿名]

回覆: 3

2017-01-11 1:28 pm

A weather balloon is inflated to a volume of 26.5 L at a pressure of 747 mmHg and a temperature of 29.7 C?

[匿名]

回覆: 1

2017-01-11 11:26 am

In a reaction, a chemist is observing the absorbance of CoCl2(aq) as a function of time to determine the rate at which it is being consumed?