fooks

[匿名]

回覆: 1

2016-06-17 3:35 pm

http://i67.tinypic.com/6ifurd.jpg - Question 32 why is the answer (b)..?

[匿名]

回覆: 1

2016-06-16 7:31 pm

What is normality of a Ca(OH)2 solution, if 45.0 mL of this solution is titrated completely with 25.7 mL of 0.150 N acid?

[匿名]

回覆: 1

2016-06-16 7:18 pm

Sulphuric acid is used in industry to produce phosphoric acid in the reaction that follows.?

[匿名]

回覆: 2

2016-06-16 7:13 pm

Integrate 1/[x(x^2+1)^1/2]?

[匿名]

回覆: 3

2016-06-16 7:02 pm

Styrene has the empirical formula CH. It has a molar mass of 104 g. What is the multiplier to get the molecular formula?

[匿名]

回覆: 3

2016-06-16 6:41 pm

In the interval 0°≤θ <360°, solve the equation 5 cos θ = 2 sec θ - 3 algebraically for all values of θ, to the nearest tenth of a degree.?

[匿名]

回覆: 3

2016-06-16 6:46 pm

1 math question???!! 10 pts! help!?

Ahsan

回覆: 3

2016-06-16 6:09 pm

A body is dropped from 1000m height,if its potential energy is 8*10power8 . What will be its velocity on reaching the ground.?

Ahsan

回覆: 2

2016-06-16 6:07 pm

If 10kg mass is dropped from a certain height,hits the ground with speed 10m/s. The height will be. Ans=5m. plz explain it?

[匿名]

回覆: 3

2016-06-16 6:03 pm

Which of these compounds forms covalent bonds? 1.FeCl 2.CO 3.CaCl2?

[匿名]

回覆: 1

2016-06-16 5:57 pm

Stoichiometry help (looking for an explanation please)?

[匿名]

回覆: 2

2016-06-16 5:32 pm

Determine if a precipitate of PbCl2 will form 5.0 mL of 0.02 M KCl is mixed with 5.5 mL of 0.02 M Pb(NO3)2? Ksp is 1.6 × 10^-5?

[匿名]

回覆: 3

2016-06-16 5:29 pm

What is the inverse of the function f(x) log4 x?

[匿名]

回覆: 1

2016-06-16 2:57 pm

Http://i63.tinypic.com/2gxmomo.jpg - Question 19 - why is the answer (d)..?

[匿名]

回覆: 3

2016-06-16 5:08 pm

What is the slope of a line that is perpendicular to the line y = x + 4? The slope of the line is?

[匿名]

回覆: 1

2016-06-16 4:37 pm

Chemistry Help?

[匿名]

回覆: 1

2016-06-16 3:28 pm

chemistry?

[匿名]

回覆: 2

2016-06-16 3:53 pm

Chemistry Help!?

[匿名]

回覆: 3

2016-06-16 3:43 pm

Prove : sin [(A+B)/2] = cos C/2 Please explain thank you?

[匿名]

回覆: 3

2016-06-16 3:50 pm

How would you simplify the square root of 4/7 in fraction form?

[匿名]

回覆: 2

2016-06-16 3:43 pm

what is the formula mass of Mg(oH)2?

[匿名]

回覆: 2

2016-06-16 3:35 pm

Help to solve this math problem! Thanks for your help!?

[匿名]

回覆: 3

2016-06-15 5:52 pm

(-4,-14)&(-22,9)?

[匿名]

回覆: 1

2016-06-15 4:41 pm

Input in standard form the equation of the given line. The line with m = -3/8 and passing through (5, -4)?

[匿名]

回覆: 2

2016-06-15 4:50 pm

Evaluate the integral by interpreting it in terms of areas. Lower limit =0 Upper limit = 9 |10x-9|dx?

[匿名]

回覆: 3

2016-06-15 4:40 pm

Input the equation of the given line in standard form. The line including (3, 1) and (-2, 3).?

Luis

回覆: 2

2016-06-15 5:10 pm

http://media1.acellus.com/Library/00001121_689_A1.png?

[匿名]

回覆: 1

2016-06-15 4:55 pm

How much heat (in kJ) is evolved when 296 g of white phosphorus burn in air? P4(s) + 5O2(g) à P4O10(s) ∆H = -3013 kJ?

[匿名]

回覆: 1

2016-06-15 4:57 pm

A small submarine of mass 1000kg sinks in water with a uniform speed of 2m/s.what is the resultant force exerted on the submarine as it sink?

[匿名]

回覆: 4

2016-06-15 3:38 pm

represent 1.494949......in the form of p/q?

[匿名]

回覆: 3

2016-06-15 3:23 pm

sin^6 theta + cos^6 theta = 1-3 sin^2 theta cos^2 theta?

[匿名]

回覆: 2

2016-06-15 2:21 pm

Precipitation (help)?

[匿名]

回覆: 2

2016-06-15 2:11 pm

Answer plssss i really need help?

[匿名]

回覆: 3

2016-06-15 1:51 pm

One trig problem?

[匿名]

回覆: 3

2016-06-15 1:49 pm

im trying tosolve e^x=12 and 11^-6y=5 for the first part i got 2.8 but im not sure how to solve for y, please help!?

[匿名]

回覆: 1

2016-06-15 1:18 pm

Use the half-reaction method to balance each redox reaction occurring in acidic aqueous solution.?

[匿名]

回覆: 1

2016-06-15 12:27 pm

solving for pH and concentration A 1L flask has 2x10^-2 M HCl mixed with 2X10^-2 NaOH. Solve for pH and concentration?

[匿名]

回覆: 2

2016-06-15 12:29 pm

which one is most ionic: A)NaCl B)MgCl2 C)KCl D)AlCl3?

[匿名]

回覆: 3

2016-06-15 11:05 am

why positive ions are likely to be oxidants (oxidising agents)?

[匿名]

回覆: 3

2016-06-15 11:24 am

How to do this redox reaction question?

[匿名]

回覆: 2

2016-06-15 11:19 am

What is the numeric value of 46.5 using sin?

[匿名]

回覆: 1

2016-06-15 9:04 am

Can you help me with identification of the cation in my unknown?

[匿名]

回覆: 1

2016-06-15 6:56 am

from2 manths?

[匿名]

回覆: 3

2016-06-15 8:47 am

Demonstrate that the following chemical equation illustrates the conservation of mass in chemical reactions:?

[匿名]

回覆: 1

2016-06-15 4:59 am

Acid-catalyst dehydration of tert- butanol is faster than that of n-butanol. Explain.?

[匿名]

回覆: 1

2016-06-15 5:46 am

If 42.9 mL of rubbing alcohol is dissolved in water to make 215mL of solution, what is the concentration expressed in vol/vol percent?

[匿名]

回覆: 1

2016-06-15 7:20 am

non luminous flame gives out more heat than luminous flame?

[匿名]

回覆: 2

2016-06-15 7:01 am

sum of 2 positive integers is 52 and lcm is 168.then the numbers are?

[匿名]

回覆: 2

2016-06-13 3:32 am

我想知道~ 二氧化氯加過氧化氫或產生何種反應何種物質?

[匿名]

回覆: 1

2016-06-15 4:06 am

Help! Organic chemistry extraction!!?