billrussell42

[匿名]

回覆: 8

2020-08-19 1:05 am

In which type of reaction are one or more protons transferred?

[匿名]

回覆: 2

2020-08-17 6:55 am

Need help with this question?

[匿名]

回覆: 6

2020-08-15 11:26 pm

Can anyone explain this one ? , Thank you so much in advance ! <3?

[匿名]

回覆: 2

2020-08-12 10:13 pm

A certain transition involves an energy change of 4.005 x 10-22 J molecule . If there are 1000 molecules in the ground state, what is the?

[匿名]

回覆: 5

2020-08-11 10:52 pm

How were random numbers generated before computers existed?

[匿名]

回覆: 10

2020-08-10 10:39 pm

Math Clock Problem?

[匿名]

回覆: 8

2020-08-09 10:36 pm

how to solve (8-5 ÷ 6) 6 = 43?

用戶89046

回覆: 5

2020-08-08 10:56 pm

Circuit question (physics)?

[匿名]

回覆: 2

2020-08-06 6:41 pm

can you convert nanofarad (nF) to nanocoulomb (nC)?

[匿名]

回覆: 2

2020-08-04 8:13 am

Gas Law Stoichiometry Question?

[匿名]

回覆: 3

2020-08-01 11:42 pm

PreCalc Need Help?

Fiza

回覆: 2

2020-07-30 2:56 am

If you knew the power rating of the elevator's lift motor, how could you use this to determine the input energy? ?

Fiza

回覆: 2

2020-07-30 2:57 am

Where does the input energy come from? What type of energy is being transformed to lift the elevator in the first place? ?

Fiza

回覆: 1

2020-07-30 2:08 am

In terms of E what is the ultimate purpose of an elevator? In other words ideally the W by the elevator goes into incrsing its total.....E.?

[匿名]

回覆: 2

2020-07-28 8:25 pm

Logarithm Math?

[匿名]

回覆: 2

2020-07-28 12:02 am

If the actual mass of the precipitate you recover is 0.78g, what is the percent recovery of the precipitate?

[匿名]

回覆: 6

2020-07-23 1:07 am

i m not sure about exact solution please help me out?

[匿名]

回覆: 6

2020-07-20 8:27 pm

Draw the graph of y = x2 and the tangent at x = 1.?

[匿名]

回覆: 6

2020-07-19 10:55 pm

Calculate the Earth's Volume in Km^3 and Scientific Notation ?

[匿名]

回覆: 3

2020-06-15 5:34 pm

Calculate the amount of force exerted by the atmosphere on the roof of your house (area = 95 m2) if the pressure is 101,000 Pa.?

[匿名]

回覆: 3

2020-06-13 9:37 pm

Calculate the ratio of the resistance of 20.0m of copper wire 1.8mm in diameter to 10.0m of aluminum wire 2.0mm in diameter ?

[匿名]

回覆: 2

2020-06-13 8:33 pm

Physics: From the top of 100m tall building you throw a ball upward with a speed of 10 m/s.?

[匿名]

回覆: 2

2020-06-07 7:51 pm

A curve has a general equation of the form Ax²+By²+F=0. If it passes through (4,0) and (0,3), find its specific equation.?

[匿名]

回覆: 10

2020-05-31 5:55 pm

What is most important when seeing if something is compatible with your electricity: wattage, volts, or amps?

[匿名]

回覆: 2

2020-05-22 6:43 am

Physics question please help?

[匿名]

回覆: 2

2020-05-20 11:36 pm

Can you please help me I don't understand this.?

[匿名]

回覆: 2

2020-05-02 8:15 pm

determine the percent yield of copper oxide (CuO) in the decomposition of copper (II) carbonate(CuCO3).   ?

[匿名]

回覆: 3

2020-04-14 9:48 pm

Maths!!!!! second degree equations ?

[匿名]

回覆: 4

2020-04-12 8:25 pm

Plug x=(1/4)ln(k) into ...?

[匿名]

回覆: 8

2020-04-10 12:25 pm

If coronavirus mutates, will it make it more dangerous or less dangerous?

[匿名]

回覆: 2

2020-04-07 8:14 pm

theoretical yield?

[匿名]

回覆: 4

2020-04-07 12:26 am

If I multiply X to 5 what would it equal?

[匿名]

回覆: 2

2020-04-05 10:01 am

what would be the size of columns for a 9 storey building where the columns are 7 meters (x-axis) and 12 meters apart (y-axis)?

[匿名]

回覆: 6

2020-04-05 12:27 am

What color has more energy, white or violet?

[匿名]

回覆: 3

2020-04-03 10:30 pm

help with math?

[匿名]

回覆: 5

2020-03-16 9:11 pm

Which pharmaceutical co. will be the first to come up with an over the counter corvid 19 test kit as easy to use as a pregnancy test kit?

[匿名]

回覆: 1

2020-03-16 6:04 am

How are people tested for Coronavirus?

[匿名]

回覆: 1

2020-03-16 12:41 am

Golden circle pitch area at concerts how many roughly do you think they hold someone told me 3000 is it true seems a lot thanks in advance?

56 Ya

回覆: 8

2020-02-26 12:39 am

The point is why ?

56 Ya

回覆: 9

2020-02-23 4:03 am

F = ma in free falling?

[匿名]

回覆: 2

2020-01-21 2:45 am

Can I take these two medicine together?

[匿名]

回覆: 5

2019-12-15 7:46 am

Can an inverter be used on TV signals?

[匿名]

回覆: 2

2019-12-11 6:13 pm

Column/Foundation Formwork?

[匿名]

回覆: 1

2019-12-11 4:00 am

How was the digital transition implemented?

[匿名]

回覆: 39

2019-11-23 11:49 pm

Will humans cease to exist eventually?

[匿名]

回覆: 3

2019-11-05 6:13 pm

My son is being locked in a spiked cupboard for 24 hours for hitting another student. Is this a fair punishment? Why/why not ? WWYD ?

[匿名]

回覆: 8

2019-10-12 7:10 pm

Find the equation of the line that passes through (1,3) and is perpendicular to y=1-2x Leave your answer in the form y=mx=c?

[匿名]

回覆: 4

2019-10-07 2:50 pm

How much greater is the light-collecting area of a 14 meter telescope than a 2.1 meter telescope?

[匿名]

回覆: 4

2019-09-23 5:44 pm

is there a name for this?

[匿名]

回覆: 2

2019-09-20 7:03 pm

Please help!! Is it okay that I took these 2 together?