Saturday

January 21, 2017
Total # Posts: 26

**maths**

In a class 60 childrens ,30% are girls.how many boys are there?

*April 29, 2016*

**science**

what will be the pH and normality,when 33.6liters of HCl having 1.179 s.g. and 36%concentration is mixed with 736 liters of distilled water

*January 27, 2016*

**Science**

What will be the pH and Normality when 33.6 liters of HCL having 1.18 s.g.and 36% concentration

*January 27, 2016*

**Solid machanics**

At a point in a strained material the principal stresses are 60MPa and 40MPa. Find the position of the plane across which the resultant stress is most inclined to the normal and determine the value

*December 10, 2015*

**CHEMISTRY**

Calculate the pH of a solution contain 0.300 mole per liter of KH2PO4 and 0.0150 mole per liter of K2HPO4.

*May 26, 2015*

**science**

calculate the mass in mg of solid chromium nitrate needed to make 250 ml of an aqueous solution with a pH OF 4.00. The Ka of [cr(H2O)6]+3 IS 1.0*10-4.

*September 15, 2014*

**physics**

A planet A of mass m is in a circular orbit of radius "a" around a star ( M_star >> m ). Another planet B with the same mass m is in an elliptical orbit around the same star with its length of the semi-major axis equal to "a" . We have just learned ...

*November 15, 2013*

**Physics please HELP**

A planet A of mass m is in a circular orbit of radius "a" around a star ( M_star >> m ). Another planet B with the same mass m is in an elliptical orbit around the same star with its length of the semi-major axis equal to "a" . We have just learned ...

*November 15, 2013*

**physics**

A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...

*November 4, 2013*

**Physics**

A small bead of mass m is constrained to move along a frictionless track as shown. The track consists of a semicircular portion of radius R followed by a straight part. At the end of the straight portion there is a horizontal spring of spring constant k attached to a fixed ...

*October 11, 2013*

**math**

you r wrong

*July 30, 2013*

**maths**

the answer is 321

*June 17, 2013*

**Maths**

998

*May 22, 2013*

**algebra**

i think the answer is 6

*March 21, 2013*

**Chemistry**

Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid

*January 6, 2013*

**Chemistry**

Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid

*January 6, 2013*

**chemistry**

Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid

*January 6, 2013*

**science**

Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid PLEASE SO LOST(explanation of why you did of what woulp help so much) ...

*January 1, 2013*

**Science**

Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid

*December 29, 2012*

**math**

What is the smallest number that can be formed using the digits 3,8,2,0,1,5,7 and 6

*June 22, 2012*

**applied mathmatics**

find dy/dx y=3u^2-6u+2,u=v^2-1;v=2x

*May 25, 2012*

**calculus**

Given the curve defined by the equation y=cos^2(x) + sqrt(2)* sin(x) with domain (0,pi) , find all points on the curve where the tangent line to the curve is horizontal

*March 1, 2012*

**science**

name the water soluble substance witch added with delute hcl and produce gas tarn lime water milky?

*June 25, 2011*

**s.d**

name the substance witch is insoluble in water is added to dilute hydrochloric acid a colourless gas is evolved?

*June 25, 2011*

**culture**

Please explain the Sapir-Whorf hypothesis in your own words. What do you think about the hypothesis? Do you accept it or reject it or are you somewhere in between? Can you think of any examples that illustrate how language and culture influence each other? (I think it’s a...

*June 18, 2007*

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