Chemistry, 14.07.2019 19:00 BlehBlehBlehBleh
Which of the following statements is true? a. if an isotope of one element has the same atomic mass as another element, they will have the same properties. b. isotopes have the same chemical properties as the normal atom but different physical properties. c. isotopes have the same physical properties as the normal atom but different chemical properties. d. isotopes of the same element have the same number of protons and neutrons.
Answers: 1
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Which of the following units is not an official si unit? mole liter kilogram ampere
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Chemistry, 22.06.2019 21:20
Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction
Answers: 2
Chemistry, 22.06.2019 22:30
Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next
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Chemistry, 23.06.2019 04:10
An unknown substance has been shown to have metallic bonds. which of the following is most likely a property of this substance? a. low conductivity b. low boiling point c. high malleability d. high solubility in water
Answers: 2
Which of the following statements is true? a. if an isotope of one element has the same atomic mass...
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