What of these, if any, is/are a correct representation(s) of a number in scientific notation? Sele 0.91x 10^1 82.00 x 10^-2 4.32 x 10^3 7.6x10^2 0.21x 10^4

Q: answer of the following sentences: (1) The electrolytic conductivity of a 0.1 M solution of acetic…

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Q: Calculate the density of a solid that weighs (1.38x10^0) g with a volume of (3.0220x10^0) mL

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Q: 1) Mg, EtO a grignard reagent? If so, how does it become a grignard reagent?

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Q: Complete the following table. kilograms 17.0 grams milligrams 57.9

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Q: 10. Consider the reaction H₂O₂(aq) - . - shows the concentration of H₂O₂ as a function of time. 1.2-…

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A: Freezing point is the temperature at which a substance start converting from solid to liquid form.

Q: Vil H₂ H Н. H CH₁ is soluble in CH₁₂. In H₂O, this solute would be: 6 14 5 12° more soluble less…

A: C6H14 is soluble in C5H12 .We have to select the nature of solubility of this solute C6H14 in…

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Q: Explain and draw Points Defects of cr

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Q: Here are the four sketches os pure substances.each sketch is drawn as if a sample of rhe substance…

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Q: What is the molecular formula of the line structure below? Question 9 What is the molecular formula…

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Q: (a) Which of the following reactant concentrations could you use for experiment 3 in order to…

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Q: 2. Use the Davies Equation to calculate the values of CK and pck from the corresponding values of K…

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Q: How would you characterize a solution made of hexane (C₂H₁) and octane (C₂H₂ )? 8: A) relatively…

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Q: The phase change from gas state to a liquid is called a) boiling b) sublimation Oc) vaporization d)…

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Q: Fluorine 9 F 18.998 Iron 26 Fe 55.845 # Protons: # Electrons: # Neutrons: 10 # Protons: # Electrons:…

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Q: During World War II, tritium (³H) was a component of fluorescent watch dials and hands. Assume you…

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Q: (a) What mass of Na₂38SO4 has an activity of 11.7 mCi? Sulfur-38 has an atomic mass of 38.0 and a…

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Q: At 25°C, the vapor in equilibrium with a solution containing carbon disulfide and acetonitrile has a…

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Q: Which of the following is relatively most acidic?    acetic acid            hydronium ion…

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Q: - The polymerization of vinyl chloride (1.6x105M) is carried out using hydrogen Peroxide (0.4x106…

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Q: Using the information from the phase diagram, draw graphs of the expected DSC curves for the three…

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Q: Pentane (C5H12) and hexane (C6H14) combine to form an ideal solution. At 25°C the vapor pressures of…

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Q: An alcoholic beverage with a density of 1.046 g/mL has an ethanol (C2H5OH, FM 46.068)  concentration…

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Q: Briefly discuss how you would experimentally confirm the curcumin molecule is coordinated to the…

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Q: The reaction between carbon monoxide and hydrogen gas is given below: CO(g) + 3 H₂(g) → CH4(g) +…

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Q: A second-order reaction has a rate constant of 0.008000/(Ms) at 30°C. At 40°C, the rate constant is…

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Q: 2. Sketch and name two geometrical isomers of [Cr(NH3)2(CO)4]2+ () Is this compound paramagnetic or…

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Q: The polymerization of vinyl chloride (1.6x105M) is carried out using hydrogen Peroxide (0.4x106 M),…

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Q: 1. SYNTHESIS (Marriage) - Elements will combine EXAMPLE: A B Mg (mono) Cl (di) Cl₂ Mg ANSWER: MgCl₂…

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Q: The compound shown here is classified as what type of organic compound? HỌC-CH, COCH,CH A) ether B)…

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Q: 3 Questions 1. Draw the molecular structures of the two isomers A and B of [Mo(CO)4(PPH3)2] that you…

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Q: HO но. CI 2.3 Name a taxane that could possibly be co-administered with flavopiridol. 2.4 Which…

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Q: A gas company charges $1.30 for 15.0 ft³ of natural gas. What is the cost in $ per L?

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Q: The decomposition of sulfuryl chloride (SO₂Cl₂) is a first-order process. The rate constant for the…

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Q: molecule has a total of freedom. 9 2 3 6 7 degrees

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Q: is maple syrup a homogeneous or heterogeneous mixture

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Q: Select the compound with the higher boiling point. HF or HCL

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Q: A rock contains 0.697 mg of 206pb for every 1.000 mg of 238 U present. Assuming that no lead was…

A: Given,  Mass of 206Pb = 0.697 mg  Mass of 238U = [A]0 = 1.000 mg  Half life period for 238U = t1/2 =…

Q: Fe(NO3)3.9H₂0 + Bi(NO3)3.5H₂O + HNO3 (dil) iron nitrate nonahydrate A + C4H606 Tartaric acid bismuth…

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Q: 1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia…

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Q: Which of the following is a set of constitutional isomers? Į I Br II, III, and IV O II and III O I,…

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Q: The iodide-catalyzed decomposition of hydrogen peroxide is thought to proceed by a four-step…

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.