Chemistry, 02.04.2021 23:30 Idontknow708
Michelle measured the pH of some milk stored at room temperature for five days. The graph of Michelle’s results is shown below. One of the axes has been labelled. What is the axis label for the graph at X?
- time, in weeks
- time, in days
- pH
- Volume
Answers: 1
Chemistry, 22.06.2019 01:00
Consider three unlabeled bottles, each contain small pieces of one of the following metals. - magnesium - sodium - silver the following reagents are used for identifying the metals. - pure water - a solution of 1.0 molar hcl - a solution of concentrated hno3 (a) which metal can be easily identified because it is much softer than the other two? describe a chemical test that distinguishes this metal from the other two, using only one of the reagents above. write a balanced chemical equation for the reaction that occurs. (b) one of the other two metals reacts readily with the hcl solution. identify the metal and write the balanced chemical equation for the reaction that occurs when this metal is added to the hcl solution. use the table of standard reduction potentials (attached) to account for the fact that this metal reacts with hcl while the other does not. (c) the one remaining metal reacts with the concentrated hno3 solution. write a balanced chemical equation for the reaction that occurs. (d) the solution obtained in (c) is diluted and a few drops of 1 m hcl is added. describe what would be observed. write a balanced chemical equation for the reaction that occurs.
Answers: 2
Chemistry, 22.06.2019 03:30
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
Chemistry, 22.06.2019 10:00
Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5
Answers: 3
Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
Answers: 2
Michelle measured the pH of some milk stored at room temperature for five days. The graph of Michell...
Biology, 11.11.2020 20:20
Business, 11.11.2020 20:20
English, 11.11.2020 20:20
History, 11.11.2020 20:20
Mathematics, 11.11.2020 20:20
Geography, 11.11.2020 20:20
Mathematics, 11.11.2020 20:20
Mathematics, 11.11.2020 20:20
English, 11.11.2020 20:20
Mathematics, 11.11.2020 20:20
Mathematics, 11.11.2020 20:20
History, 11.11.2020 20:20