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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...

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

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

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%

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

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 ...

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

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?

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.

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.

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.

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.

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

english
how i celebrate my birthday?

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

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?

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

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

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

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

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 ...

math
i got 81

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

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 ...

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

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 ...

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