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Chemistry: Post your doubts here!
Oh i got it 1 cm3 of water has a mass of 0.001 kg or 1 g -
Chemistry: Post your doubts here!
A student mixed 25.0cm3 of 4.00 moldm–3 hydrochloric acid with an equal volume of 4.00moldm–3 sodium hydroxide. The initial temperature of both solutions was 15.0°C. The maximum temperature recorded was 30.0°C. Using these results, what is the enthalpy change of neutralisation of hydrochloric... -
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Chemistry: Post your doubts here!
http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_s16_qp_11.pdf Q4 I dont understand what Np Pu mean?? Q6 ?? Q17 ?? Q30?? http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_s16_qp_13.pdf Q9 ??? Q21 ?? Q33 Statement 2 ; No particles have zero energy at either temperature... -
Chemistry: Post your doubts here!
I hope you Bio exam went well. Can you please explain Q27 in detail . -
Chemistry: Post your doubts here!
Thanks ....but yeah I saw your explanations and realized that... I meant variant 13 though. -
Chemistry: Post your doubts here!
THANKYOUU n SRRY ABOUT Q 26 THIS IS WHEN I SOLVE A Q.P AT 3:00 AM. CAN U PLZZ EXplain Q27?? if u hv time 19 n 10 too? -
Chemistry: Post your doubts here!
http://papers.gceguide.com/A Levels/Chemistry (9701)/9701_s16_qp_13.pdf Q30, ??? Q 33 What does statement 2 mean? Q24 How can D be correct? Doesnt hot kmno4 oxidise to aldehydes and cooh? Q23 Hiw do v know what radicals form? q 21 plz show diagram..while explaining Q14 ?? -
Chemistry: Post your doubts here!
A- Inital: 2 : 0 : 0 Final : 2-x: 2x : x Total moles: 2-2+2x+x = 3x so A is incorrect. B- Initial: 2 : 0 : 0 Final: 2-2x : 2x : x Total moles: 2-2x+2x+x = 2+x so B is incorrect C- Initial: 2 : 0 : 0 Final 2-2x:x:x Total = 2-2x+x+x = 2 incorrect D- Initial: 2 : 0 : 0 Final: 2-x : x/2 : x [x... -
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Physics: Post your doubts here!
100000- ( 1.22+0.74/2)(9.7)(5000)) 100000 -47530 = 52740 nearest to 52000 -
Chemistry: Post your doubts here!
M2017 p12 Q 22 anyone? http://papers.gceguide.com/A Levels/Chemistry (9701)/9701_m17_qp_12.pdf Ans A can anyone explain why isnt it the other options?? Q27 ?????????? Q 10 19 HELP!! -
Physics: Post your doubts here!
For those of you who couldn't solve this question : Solution; P=10^5-p(average)gh [ Basically you take the average density] Question 15 Candidates found this question difficult. Atmospheric pressure is caused by the weight of air above the point, so the correct method is to... -
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Chemistry: Post your doubts here!
. ..Look at this Its actually the same thing, i t doesnt matter where you place the CL -
Physics: Post your doubts here!
http://papers.gceguide.com/A Levels/Physics (9702)/9702_w16_qp_13.pdf Q16,13 ,29,24,25 ANYONE GarryTheGhost Thankyouuu!! -
Chemistry: Post your doubts here!
http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_m16_qp_12.pdf Q21 How can it be isomerism all 4 are the same Q37 -
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Chemistry: Post your doubts here!
Q 11 30 23 28 http://papers.gceguide.com/A Levels/Chemistry (9701)/9701_w16_qp_13.pdf ans =C B A A http://papers.gceguide.com/A Levels/Chemistry (9701)/9701_w16_qp_12.pdf Q30 Q26 ans= B and C Metanoia Please help :)