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Author Archives: Anonymous

What method is used to break a project’s total scope into sm…

What method is used to break a project’s total scope into smaller, more manageable components?

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Which ion Mg2+, Cl-, Ca2+, or I- has the largest ionic radiu…

Which ion Mg2+, Cl-, Ca2+, or I- has the largest ionic radius?

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What document lists all the schedule activities and their de…

What document lists all the schedule activities and their details for a project team?

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You’ve been asked to make 520 mL of 1.0 M HCl solution. Afte…

You’ve been asked to make 520 mL of 1.0 M HCl solution. After checking in the chemical stockroom, all you could find is concentrated HCl from the supplier and it’s concentration is listed as 12.1 M. How many mL of the concentrated HCl do you need to make the 520 mL of 1.0 M HCl? Given M1V1 = M2V2.

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A laser pointer used in a lecture hall emits light at 650 nm…

A laser pointer used in a lecture hall emits light at 650 nm. What is the frequency (ν) of this radiation? Given c = λν, the speed of light (c) is 2.99 x 108m/sec, and 1 nm = 1.0 x 10-9 m.

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Lithium has two naturally occurring isotopes, 6Li and 7Li. T…

Lithium has two naturally occurring isotopes, 6Li and 7Li. The average atomic mass of lithium is 6.941. Which of the following statements concerning the relative abundance of each isotope is correct?

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A mixture of 6.00 g O2(g) and 9.00 g CH4(g) is placed in a 1…

A mixture of 6.00 g O2(g) and 9.00 g CH4(g) is placed in a 15.0-L vessel at 0 °C. What is the total pressure in the vessel? Ideal gas constant, R = 0.08206 L-atm/mol-K

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Which molecular force must be overcome for methanol (CH3OH)…

Which molecular force must be overcome for methanol (CH3OH) to convert from a liquid to a gas?

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What is the hybridization of the central atom in GaH3?

What is the hybridization of the central atom in GaH3?

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Using a molecular orbital diagram, what is the bond order fo…

Using a molecular orbital diagram, what is the bond order for N2?

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