fooks

[匿名]

回覆: 1

2016-06-24 1:29 pm

Chem homework help?

[匿名]

回覆: 6

2016-06-24 12:06 pm

How to factorise x^6-64?

[匿名]

回覆: 2

2016-06-24 11:42 am

Find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. If there is no solution, enter NO?

[匿名]

回覆: 1

2016-06-24 11:44 am

Solve the multiple-angle equation.(Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radian?

[匿名]

回覆: 2

2016-06-24 11:41 am

Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)tan2 3x = 3?

[匿名]

回覆: 3

2016-06-24 11:15 am

Need help plz ASAP?

[匿名]

回覆: 5

2016-06-24 11:15 am

May someone please help me solve this math problem?

[匿名]

回覆: 1

2016-06-24 11:08 am

20 ml of CO2 are passed over red hot coke. the volume of CO evolved is?

[匿名]

回覆: 2

2016-06-24 10:55 am

Having trouble with G.P. Pls help.?

[匿名]

回覆: 1

2016-06-24 10:42 am

The top of a lake is frozen and air in contact is at -10°C.then the temperature of water in contact with ice is?

[匿名]

回覆: 2

2016-06-24 5:18 am

How many grams of hydrogen (H2) are required to produce 81.6g of NH3?

[匿名]

回覆: 2

2016-06-24 6:12 am

Need help with the following problems thanks. Charles' and Boyle's law.?

[匿名]

回覆: 2

2016-06-24 7:54 am

What is the net ionic equation?

[匿名]

回覆: 8

2016-06-24 1:48 am

if I travel at 32km for 10km how long will it take?

[匿名]

回覆: 2

2016-06-24 1:35 am

Chemistry Help?

[匿名]

回覆: 2

2016-06-24 1:32 am

What is the molarity of 750 mL of NaCl solution that contains 21.04 g of NaCl?

[匿名]

回覆: 1

2016-06-22 9:35 pm

Decomposition of potassium chlorate (KClO3) produces potassium chloride (KCl) and pure oxygen (O2).?

[匿名]

回覆: 4

2016-06-22 9:50 pm

Use a calculator to evaluate sec(pi/7). Round your answer to 2 decimal places. Use π=3.14159?

[匿名]

回覆: 2

2016-06-22 9:45 pm

∫ cos[sin(????)] cos(????) ?????????

[匿名]

回覆: 1

2016-06-22 9:36 pm

How many electrons does the iron ion have when it forms the ionic compound FeCl3?

[匿名]

回覆: 1

2016-06-22 9:10 pm

whats the density of vapor?

[匿名]

回覆: 2

2016-06-22 9:22 pm

chem help?

[匿名]

回覆: 2

2016-06-22 9:23 pm

chem help?

[匿名]

回覆: 2

2016-06-22 9:08 pm

Trimethylphosphine is a common liquid compound that vaporizes readily. Determine the molar mass of trimethylphosphine?

[匿名]

回覆: 3

2016-06-22 9:09 pm

what is 8 1/2 minus 3 5/8?

[匿名]

回覆: 7

2016-06-22 9:09 pm

8 1/2 minus 3 5/8?

[匿名]

回覆: 2

2016-06-22 9:02 pm

What is the volume of flask B?

[匿名]

回覆: 2

2016-06-22 8:58 pm

f(x)=2x+4 and g(x)=3x-7 then find g^-1(2)?

[匿名]

回覆: 2

2016-06-22 8:42 pm

chem help?!?

[匿名]

回覆: 4

2016-06-22 8:48 pm

33.0 ft ladder just reaches the top of a building & forms an angle of 45.5o with the wall of the building How many ft tall is the building?

[匿名]

回覆: 1

2016-06-22 8:42 pm

chem help?

[匿名]

回覆: 3

2016-06-22 8:40 pm

Please help me to transform this to vertex form: y=5x^2-2x+2?

[匿名]

回覆: 3

2016-06-22 8:31 pm

A ball is thrown horizontally from a cliff at a speed of 10 m/s. Calculate its speed one second later.?

[匿名]

回覆: 1

2016-06-22 8:31 pm

calculus help please can u please include steps?

[匿名]

回覆: 1

2016-06-22 6:58 pm

the radius of an atom is about 10^-15 m and the radius of the observable universe is about 10^23 km. The ratio of these quantities is?

[匿名]

回覆: 3

2016-06-22 6:54 pm

a/2=b/3=c/4 and a+b+c=18.Find c.?

[匿名]

回覆: 2

2016-06-22 6:53 pm

Balance the following Equation: ________P + _____Br2 → ______PBr3?

[匿名]

回覆: 1

2016-06-22 6:43 pm

for the following function y=3x2+12x-8 find the coordinates of the vertex and state the minimum?

[匿名]

回覆: 2

2016-06-22 6:24 pm

Why did the chemical reaction stop?

[匿名]

回覆: 2

2016-06-22 6:33 pm

Please Help?

[匿名]

回覆: 2

2016-06-22 6:29 pm

Math help with algebra. Thanks?

[匿名]

回覆: 1

2016-06-22 6:19 pm

help with central angle question?

[匿名]

回覆: 1

2016-06-22 6:13 pm

5. A quart of whole blood weighs 2.21 pounds. What is the density of the blood in g/ml? Use Conversion Factors?

[匿名]

回覆: 4

2016-06-22 5:40 pm

find the first four terms of the geometric progression if the first term is 12 and sum to infinity is 24?

[匿名]

回覆: 8

2016-06-22 5:42 pm

In a pure oxygen environment (tank purged with O2) and introduced to a spark...can that pure oxygen burn or detonate without a fuel source?

[匿名]

回覆: 4

2016-06-22 5:27 pm

MATH HELP?

[匿名]

回覆: 4

2016-06-22 5:16 pm

x2+y2−2x−6y−6=0 x and y intercepts??

[匿名]

回覆: 1

2016-06-22 3:20 pm

What is the freezing point (in C) of a 1.56m aqueous solution of CaCI2? (Report amount to three decimal points.)?

[匿名]

回覆: 2

2016-06-22 4:20 pm

What are the products if you combine water, hydrochloric acid, and sodium oxide.?

[匿名]

回覆: 2

2016-06-22 4:56 pm

The average of 4 numbers is 6.3.The average of six other numbers is 6.8 . What is the average of all the numbers?