billrussell42

[匿名]

回覆: 1

2018-05-28 8:13 am

why does energy change when expressed as per mole of reactant?

[匿名]

回覆: 4

2018-05-20 12:55 am

Please hurry my teacher never taught this and I have finals 2 days from now.?

[匿名]

回覆: 4

2018-05-15 8:49 am

Pls help me with this physics question?

[匿名]

回覆: 8

2018-05-10 2:51 am

where is harvesting rainwater legal in the US?

[匿名]

回覆: 2

2018-05-07 1:31 am

A three person comitee is chosen at random from a group of 8 women and 3 men. Find probability that the committee contains at least one man?

[匿名]

回覆: 2

2018-05-05 9:16 am

A solid has:?

[匿名]

回覆: 4

2018-05-01 7:47 am

Is gamma and beta radiation a serious threat in nuclear war?

[匿名]

回覆: 5

2018-04-21 11:35 pm

How long after taking Tylenol can you take another flu med containing acetaminophen?

[匿名]

回覆: 5

2018-04-17 8:59 pm

What does it mean - they are running a beam? (Its about a raft caught in the waves)?

[匿名]

回覆: 4

2018-04-13 8:58 am

What is the power of a 33 ohm toaster when hooked up to a 120 V outlet?

[匿名]

回覆: 1

2018-04-11 7:59 am

Physics Help?

[匿名]

回覆: 2

2018-04-08 4:41 am

How many years would it take machinery such as a torpedo or a pistol to become unfunctional?

[匿名]

回覆: 4

2018-04-04 3:17 am

what is the percentage aluminum in AICI3?

[匿名]

回覆: 3

2018-04-01 5:40 am

how do you breadboard given a circuit and an equation? can someone explain how?

[匿名]

回覆: 1

2018-03-27 10:39 pm

Electricity/Current Question?

[匿名]

回覆: 2

2018-03-23 7:13 am

how many moles of hydrogen will be produced from 17.3 g of aluminum in 2Al+3H2SO4=3H2+Al2(SO4)3?

[匿名]

回覆: 2

2018-03-22 12:00 am

For the equation C6 H12 O6 = 2C2 H5 OH + 2CO2, how much ethanol is produced in grams if we start with 750 grams of glucose?

[匿名]

回覆: 4

2018-03-19 11:11 pm

How many grams of chlorine can be liberated from the decomposition of 52.0 g of AuCl3 by this reaction? 2 AuCl3 ---> 2 Au + 3 Cl2?

[匿名]

回覆: 3

2018-03-14 10:17 pm

Polynomial functions question please help..?

[匿名]

回覆: 3

2018-03-13 3:13 am

Can you get an electric shock from a small pipe bomb or homemade one when it is near fire?

[匿名]

回覆: 2

2018-03-12 8:05 pm

Can somebody prove y - y1 = m(x - x1) ?

[匿名]

回覆: 2

2018-03-10 11:04 pm

CHEM HELP??? 6 multiple choice questions?

[匿名]

回覆: 13

2018-03-06 10:03 pm

How long do LED light bulbs work in reality?

[匿名]

回覆: 3

2018-03-04 11:31 pm

Physics Help???

[匿名]

回覆: 3

2018-03-04 11:19 pm

PHYSICS HELP??

[匿名]

回覆: 6

2018-02-25 2:14 am

Find the area bounded by 2 curves?

[匿名]

回覆: 1

2018-02-22 8:08 am

Physics Help??

[匿名]

回覆: 11

2018-02-20 7:53 pm

ALGEBRA QUESTION?

[匿名]

回覆: 3

2018-02-15 10:19 pm

can insulators ever be conductor by hig temperature /PD for electricity?

[匿名]

回覆: 4

2018-02-06 1:22 pm

A gun is fired vertically into a 1.75 kg block of wood at rest directly above it. If the bullet has a mass of 21.0 g and a speed of 190 m/s?

[匿名]

回覆: 8

2018-02-06 9:24 pm

why does some elements dont have atomic mass number?

[匿名]

回覆: 2

2018-02-06 9:53 am

Factor each expression?

[匿名]

回覆: 6

2018-02-03 2:06 am

How do you do maths questions like this?

[匿名]

回覆: 3

2018-01-26 8:16 pm

Can someone help me with my chem homework?

[匿名]

回覆: 3

2018-01-26 9:47 am

The mass of single gold atom is 3.27x10^-22 g. What is this mass in pounds ?

[匿名]

回覆: 8

2018-01-23 10:38 pm

Are arcsin and sin^-1 the same thing?

[匿名]

回覆: 5

2018-01-20 12:49 am

physics circuits question pls help?

[匿名]

回覆: 2

2018-01-18 7:42 am

Please help with physics? Thank you in advance!?

[匿名]

回覆: 2

2018-01-14 8:32 am

Determine the mass of 1.2x10^29 molecules of water.?

[匿名]

回覆: 1

2018-01-11 12:41 am

Question on magnetism below in the details?

[匿名]

回覆: 3

2018-01-07 8:35 pm

If colloidal silver is sprayed onto boiling water, does the silver vaporize with the steam?

[匿名]

回覆: 3

2018-01-05 5:46 pm

A shopper pushes a 5.32kg cart with ab12.7N?

[匿名]

回覆: 5

2018-01-04 4:31 am

Help with math homework. Trigonometric identities.?

[匿名]

回覆: 2

2018-01-03 3:02 am

I need help with this math question?

[匿名]

回覆: 4

2017-12-28 2:10 am

Resistors in Series and Parallel Help?

[匿名]

回覆: 7

2017-12-26 9:58 am

Remove pcb components with no soldering iron?

[匿名]

回覆: 5

2017-12-25 11:05 pm

Quotient rule problem?

[匿名]

回覆: 3

2017-12-25 12:03 am

What is DXing in telecommunication?

[匿名]

回覆: 1

2017-12-19 10:32 pm

Physics Help?

[匿名]

回覆: 3

2017-12-14 9:18 am

A cannonball was fired horizontally 83.8 m at a speed of 5.0 M/S. How high was the canon?