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1. Choose 3 of the following five practices. Explain each one more fully from either a science or an engineering perspective (or both). There should be a full paragraph for each practice you choose so there should be three paragraphs total.
a. Developing and Using Models
b. Analyzing and Interpreting Data
c. Constructing Explanations and Designing Solutions
d. Engaging in Argument from Evidence
e. Obtaining, Evaluating, and Communication Information
(These 5 practices are those least likely to be included in science teaching.)
Explain which of the subsequent molecules would you expect to dissolve in water? Diethyl ether? Briefly define based on your understanding of IM forces why or why not
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
Give equations to show how sulfuric acid can convert 4-methycyclohexene into a mixture of four isomeric C7H12 compounds (including starting material). Predict the relative amounts of each isomer.
the temperature of a metal bar rises by 15 C when it absorbs 4.26 kJ of heat. The mass of the bar is 472g. Determine the specific heat of the metal bar.
Question- The galvanic cell described by the balanced chemical equation has a standard emf (electromotive force) of 4.05 V. Calculate the value (J) for the maximum electrical work that the cell can do under standard conditions.
Determine how many grams of sodium chloride are required to prepare 250. mL of this solution. (if given the density of the saline solution is 1.0 g/mL)?
benzene c6h6 and toluene c6h5ch3 form ideal solutions. at 35degc the vapor pressure of benzene is 160. torr and that of
How many liters of water vapor are produced when 26.1g of NH4NO3 decomposes and how many grams of NH4NO3 are needed to produce 18.0L of oxygen?
the alkyl halide used in the reaction is a primary alkyl halide, and why alkylation does not work at all if a tertiary alkyl halide is used.
A bar house with volume of 500 m^3, has 50 smokers in it. Each begins to smoke 2 cigarettes per hour at time t=0 hr. An individual cigarette emits about 1.4 mg of formaldehyde (HCHO).
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 6.00 mL Ti solution of unknown concentration with 3.50 mL of a 10.2 ?g/mL solution of Co
What is the mole fraction of HO2CCH2CHOHCO2H in this solution suppose you dissolve 2.56 grams of malic acid HO2CCH2CHOHCO2H in 50.0 grams of H 2 O.?
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