Chemistry, 19.03.2021 19:00 zakarycrane5723
Sam and Jane have been investigating the amount of copper sulphate that can be dissolved in water at different temperatures .They added copper sulphate till it could not be dissolved any further and also measured the mass of copper. The results are below. What is the interval for the temperature?
Answers: 2
Chemistry, 22.06.2019 05:50
In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
Answers: 1
Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Sam and Jane have been investigating the amount of copper sulphate that can be dissolved in water at...
Mathematics, 01.06.2021 19:20
History, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
History, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
Mathematics, 01.06.2021 19:20
History, 01.06.2021 19:20
Health, 01.06.2021 19:20