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most scientists agree that the earth is 4.5 billion years old. 50 years from noe, how many sig figs will we record in the age of the earth
Suppose the price of coffee beans increases by $0.20 per pound. What is the effect of this raw material price increase on the demand for roasted coffee? If one pound produces 50 cups of coffee, would the price of a cup of coffee rise by $0.01 ? Expla..
To typeset documents that include titles, sections, lists, emphasis, verbatim environments, footnotes, tables of contents, and mathematical equations using LATEX
If the world’s population is increasing at an annual rate of 1.3%, and there were 5 billion people in the year 1986, then in what year will the world’s population be 10 billion?
If a spring is considered as being equivalent to an electrical resistance where force=voltage and displacement=current, then what electrical component is equivalent to a dashpot?
What is the company's weighted average cost of capital?
Match the following properties of liquids to what they indicate about the relative strength of the intermolecular forces in that liquid. Strong intermolecular forces: Weak intermolecular forces
Most messages we write in the work place fall into the category of positive or neutral communications. Examples include routine requests, informative or good news announcements, replies to inquires, messages granting claims, letters of recommendation..
What is the after tax present value of the annuity if the investor is in the 28% marginal tax bracket?
Based on the following information, calculate the required return based on the CAPM.
In a step-down converter, consider all components to be ideal. Let v_0 = V_0 be held constant at 5 V by controlling the switch duty ratio D. Calculate the minimum inductance L required to keep the converter operation
If 0.600 gram of zinc is used, what is the amount of zinc chloride that is produced in the above reaction?
Describe the bond angles to be found in each of the following molecular structures: (a) Planar trigonal (b)tetrahedral (c) octahedral (d) linear
Based upon 3 SnF2 (ag) + 2 K3PO4 (aq)> Sn3(PO4)s (s) + 6 KF (aq), a 10.000 gram sample of toothpaste containing stannous fluoride gives a 0.145 gram precipitate of stannous phosphate. What is the percentage of SnF2 in the toothpaste sample?
Ethanol is a common laboratory solvent and has a density of 0.789 g/mL
How does the second law explain why heat travels from a substance at higher temperature to one at lower temperature?
Consider a triprotic system whose fully protonated form can be denoted by H3A. By definition, the fractional composition of the most basic form of the system, A3-, can be written as
Explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
The absorbance of a chlorophyll a standard solution in ethanol (density = 0.785 g/mL) is measured in a 1.3 cm cuvette or path length. The absorbance is 0.435 and the molar absorptivity coefficient is 86,300 M-1cm-1. The molecular weight for chloro..
What is the hydronium ion concentration and the pH of a solution formed when 30mL of 0.30M HNO3 is titrated with 43mL of 0.20M NaOH at 25C?
according to le chateliers principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a)2NH3(g) 3H2(g)+N2(g). b)N2(g)+O2(g) 2NO(g). c)2NO2(g) N2(g)+2O2(g). d)4NH3(g)+3O2(g) 2N2(g)+..
An aqueous solution of lead nitrate, Pb(NO3)2, is mixed with one of sodium cromate, Na2CrO4, resulting in the formation of a percipitate of lead chromate.
A sample of propane occupies 250.0 L at 125 kPa and 38 degrees celsius. Find its volume at 100.0 kPa and 95 degrees celsius.
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