Tuesday

February 21, 2017
Total # Posts: 40

**Organic chemistry**

Nitrobenzene + KOH >>>>> ???

*November 18, 2016*

**Analytical chemistry**

Why HNO3 only can used for acidification in volhard method not other acids like HCl or H2SO4?

*November 11, 2016*

**st anns**

one egg thrown to a cement block from a height of 20 feet it didn't break why?

*December 17, 2015*

**Science**

43.84

*September 6, 2015*

**trig**

Solve (1+tan square A)(1-sinA)(1+ sinA)

*May 28, 2014*

**math**

there are 5 square flower beds of 1 metre dog so 5 multiply by 1 = 5 650 multiply by 800=5200 -5 = 5195

*January 19, 2014*

**physics**

a)s = ut + 0.5at^2 s = distance = 1800m, u = initial velocity = 0, a = acceleration = 5m/s^2, t = time 1800 = 0 + 0.5*5*t^2 t^2 = 1800/2.5 = 720 t = 26.83 s (to 4 sig figs)

*September 10, 2013*

**math**

36 banners

*May 23, 2012*

**ثاني جامعة_انجليزي**

اسئلة لرواية جيليفر

*May 19, 2012*

**math**

240/6oo X 100=40%

*February 28, 2012*

**Chemistry**

0.05 M

*February 27, 2012*

**physics**

6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

*February 27, 2012*

**physics**

6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

*February 27, 2012*

**calculus**

(x+1)^4/4+c *

*February 27, 2012*

**calculus**

9x+1)^4/4+c

*February 27, 2012*

**Math**

4x=33+3y x=33+3y/4 x=-4-25 33+3y/4=-4-25 33+3y=-16-100 19y=-133 y=-7 x=3

*February 27, 2012*

**Math**

4x=33+3y x=33+3y/4 x=-4-25 33+3y/4=-4-25 33+3y=-16-100 19y=-133 y=-7 x=3

*February 27, 2012*

**Math**

y=12-2x in eq.2.....y=3x-13 12-2x=3x-13 5x=25 x=5...y=2

*February 27, 2012*

**Math**

yes it can as their some equal 180

*February 27, 2012*

**Math**

x=y+3/5 in eq.(2)...y=2(y+3/5)+6 y=2y+6/5 +6 y-6=2y+6/5 5y-30=2y+6 3y=36 y=12 & so x=3

*February 27, 2012*

**Math**

y=12 & x=3

*February 27, 2012*

**math**

draw apieceof yarn3 counters

*December 13, 2011*

**physics**

A fire hose can fill a certain tank with water during 1 hour. A 2nd fire hose can fill the same tank in half hour. A 3rd fire hose can fill the same tank in quarter hour. find the time necessary to fill the same tank by the 3 fire hoses together

*November 30, 2011*

**physics**

calculate the momentum ofa toy car weighing 200 gram and moving with a velocity of 5meter/second?

*August 10, 2011*

**physics**

18.87

*July 8, 2011*

**algebra**

Oh! A play is move! I get it! No need to answer this one!

*June 15, 2010*

**algebra**

I am confused about this one. It is about football. "In a football game the ball was advanced 5 yards from the Juniors' 25-yard line towards the Seniors' goal, then 6 yards then 8 yards back, 13 yards forward, 5 yards back, and then 11 yards forward. What was the ...

*June 15, 2010*

**Physics**

Here, I am dealing with a Science formula for momentum. The formula is: M= mv So, I have: m= 10 grams (.01 Kilograms) v= 5,000 centimeters a second (50 m/s) It says to Find M and also solve the formula for M. Please help!

*June 8, 2010*

**algebra**

Please help! I'm still waiting!

*June 8, 2010*

**algebra**

The answer differs from yours.

*June 8, 2010*

**algebra**

We know man 1 drives 50 miles per hour man 2 goes 55 mph

*June 8, 2010*

**algebra**

A man (we'll refer to him as man 1) starts from his home at 8 A.M. and drives a steady rate of 50 MPH. An hour later a second man ( man 2) starts to follow him. Draw a graph to represent these facts. From the graph find when man 2 overtakes man 1. Okay, I imagined at 9 A.M...

*June 8, 2010*

**Physics**

I really would appreciate some help!

*June 8, 2010*

**Physics**

Here, I am dealing with a Science formula for momentum. The formula is: M= mv So, I have: m= 10 grams (.01 Kilograms) v= 5,000 centimeters a second (50 m/s) It says to Find M and also solve the formula for M. Please help!

*June 8, 2010*

**Stuck on 3d - Math**

Suppose you’re thinking about buying a used car, but you’ve become worried about the selection problems. In this market, the seller of each car knows the true value, but the buyer can’t determine the value until after purchase. Assume that there are 6 sellers ...

*March 16, 2010*

**3rd grade math**

1=+0

*March 5, 2010*

**Standard and scientific notation**

7.8*1o ^5 in standard notation

*February 25, 2009*

**math**

find the number of permutations of 5 out of 9. then find 6 out of 6

*October 18, 2008*

**Physics**

Horizontal components of the forces are as follows: T(sin Θ) = ma --- Equation 1 and the vertical components of the forces are T(cos Θ) = mg --- Equation 2 where T = tension in the string Θ = angle that string makes with the vertical m = mass of the object a = ...

*September 30, 2008*

**Math**

How do you round these numbers to the nearest tenth 84,96,71

*March 22, 2008*

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