February 19, 2017

Posts by jemma

Total # Posts: 15

1.654 of a hydrated acid H2C2O4.xH2O was dissolved in water and the soultion was made up to 250cm3 . 23.80cm3 of this solution required 25.00cm3 of 0.100moldm-3 NaOH to reach the end point. Identify the value of x and the formula of the hydrated acid H2C2O4.xH2Or.
November 21, 2016

a wire is 36 m long is cut into two pieces , each piece is bent to form a rectangle which is 1 centimeter longer than its width. how long should each piece be to minimize the sum of the areas of the two rectangles?
November 8, 2013

Benzoic acid and quinine are dissolved in a solution of dichloromethane. (benzoic acid pKa = 4.2; quinine pKa = 8.5) a) Besides the normal neutral forms for benzoic acid and quinine, will there be any other chemical form(s) present in the dichloromethane solution? a) What ...
September 5, 2013

thank you again. i'll be posting when i need correction :)
March 18, 2013

a. Because opinions are still divided, further discussion will be necessary. b. Further discussion will be necessary because opinions are still divided.
March 18, 2013

Thank you
March 18, 2013

Is this right? 1. a) While my sister was away, we decorated the house for her birthday party. b)We decorated the house for her party, while she was away. We must begin a sentence with a subordinator(since, because, if, even though, unless, whereas, while, when, although, as). ...
March 18, 2013

Write 10 sentences of subordination. Write 2 sentences for each of the following subordination. For each subornator, one sentence must begin with the subordinator; the other sentence will have the subordination in the middle. Watch punctuation.
March 18, 2013

Define th seven characteristics of living organisms?
September 9, 2011

why can a submarine hang in water
November 11, 2010

re- bobpursley maths
sorry. my homework question is to think of 3 examples of an equal chance of something happening. i can`t think of anything else. i thought of cutting a cake into slices but that's not something happening. a race -every one has an equal chance of winning.
January 12, 2009

i need to come up with 3 examples of an equal chance of something happening. these are the examples i have thought of but don`t know if they are right. 1/flipping a coin 2/coloured counters out of a bag 3/rolling a dice. please could someone tell me if they are right or wrong ...
January 12, 2009

5th grade science
C because he just push down
October 11, 2008

im not sure Katie I'll tell you when i know but anyway its a great question i hope someone answers for you
August 20, 2008

2 litres:1000 litres
May 22, 2007

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