# Posts by vidya

Total # Posts: 26

**Sri sankara global academy/ Chemistry**

A food scientist also tested some ethanoic acid solution. Ethanoic acid is the acid which is found in vinegar.His results are shown below. vinegar ethanoic acid Volume used/Cm3 50 10 volume of NaOH needed to neutralise/cm 30 10 The ethanoic acid solution contained 10 g of acid...

*March 24, 2016*

**CHEMISTRY**

WHICH OF THE FOLLOWING IS TRUE FOR AN ACID? A. IT PRODUCES EFFERVESCENCE WITH BAKING POWDER. B. IT TURNS UNIVERSAL INDICATOR BLUE. Answer This Quest

*February 22, 2016*

**chemistry**

WHICH OF THE FOLLOWING IS TRUE FOR AN ACID? A. IT PRODUCES EFFERVESCENCE WITH BAKING SODA B. IT TURNS UNIVERSAL INDICATOR BLUE.

*February 21, 2016*

**chemistry**

Calculate RAM of Cu and S from the percentage abundances of their isotopes Use your answers to find the RFM of Copper (II) Sulfide, Cus 63Cu- 69.1% 65Cu - 30.9% 32 Sulphur-95.0% 33 S-0.76% 34S-4.22% 35S-0.20%

*February 19, 2016*

**chemistry**

why does phosphorous and some other elements have two or more oxidation states

*February 18, 2016*

**chemistry**

a student was investigating the properties of a liquid L. He found that it turned phenolphthalein indicator red but when a piece of litmus paper was dipped into liquid L it turned blue. Which of these liquids could it be? a Aqueous ammonia b Lemon juice c copper sulphate ...

*February 18, 2016*

**science**

construct a heating curve for a substance that is heated to 150 deg centigrade. The substance is originally solid at 35 deg c, melts at 75 deg c and boils at 126 dec c

*February 17, 2016*

**math**

Tourists were on a hiking trip for three days. On the first day, they hiked 1/8 of the trail. On the second day they hiked 4/7 of the remaining trail. On the third day they hiked 1/3 of the remaining trail and the last 8 km. How many km is the whole trail?

*January 27, 2016*

**science**

A body is projected vertically upwards from the ground such that its speed at half the maximum height is 20m/s. Find the maximum height attained by it.

*September 23, 2015*

**math**

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

*June 24, 2015*

**math**

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

*June 24, 2015*

**math**

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

*June 23, 2015*

**maths**

5/3(x)-3/5(x)

*June 9, 2015*

**english**

how i celebrate my birthday?

*July 4, 2013*

**chemistry**

How much 6M HNO3 will be required to decrease the pH of 5000L solution of pH=9.6 to pH=3?

*January 4, 2013*

**physics**

a cricketer throw the ball to have maximum horizontal range of 120m.if he throws the ball vertically with same velocity what is the maximum height it can reach?

*December 24, 2012*

**Math**

Perimeter= 64cm,so each side is 16cm. Let height be h A=b*h 48= 16*h h=48/16 H= 3cm

*September 15, 2012*

**Social studies**

what's the name of the first nations group that first lived in canada? my answer: shuswap

*September 8, 2011*

**Social Studies**

what rivers drain kamloops lake as water flows in the ocean? my answers: thompson's river and fraser river... are my answers correct

*September 8, 2011*

**math**

Could you help me in solving the following problem? If x varies inversely as the square of y and x=2 when y=1 find x when y=2

*May 4, 2010*

**5th grade math problem**

There is a total of 37feet of lumber? You may use as much of this as you need. Your class has raised $121.00 to buy the sand. A bag of sand costs $1.50. One bag will cover an area of one square foot. What is the largest sand-filled area you can make for the money and lumber ...

*March 30, 2009*

**math**

i got 81

*March 30, 2009*

**math**

Thank you very much MS. Sue,thats what my daughter told me to do, and I was going another direction.......

*March 30, 2009*

**math**

There is a total of 37feet of lumber. You may use as much of this as you need. Your class has raised $121.00 to buy sand. A bag of sand costs $ 1.50. One bag will cover an area of one square foot. What is the largest sand-filled area you can make for the money and lumber you ...

*March 30, 2009*

**physics**

(Another) Physics Homework Help? The two blocks in the figure are sliding down the incline. What is the tension in the massless string?

*October 24, 2008*

**ENGLISH**

HOW TO MAKE A FRIEND? ARE THERE ANY WAYS TO MAKE A FRIEND? TALK TO THEM AND BE NICE WITH THEM! Thank you for using the Jiskha Homework Help Forum. To make a friend, BE a good friend! What are the things you look for in your friends? Undoubtedly they look for many of the same ...

*December 23, 2006*

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