What is the electron configuration for Al
admin What is the electron configuration for Al? Al+3? What noble gas is Al 3+ isoelectronic with? The correct answer and explanation is: Correct Answer: Explanation (300 words): Aluminum (Al) is…
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f 26.75 mL of 0.03 M permanganate solution (MnO4−) is needed to oxidize 25 mL of unknown Fe2+ solution in an acidic solution
f 26.75 mL of 0.03 M permanganate solution (MnO4−) is needed to oxidize 25 mL of unknown Fe2+ solution in an acidic solution The Correct Answer and Explanation is: To…
Which of the following occurs when HCl is added to a buffer containing (CH3)3N and (CH3)3NH+
Which of the following occurs when HCl is added to a buffer containing (CH3)3N and (CH3)3NH+? The correct answer and explanation is: Correct Answer:(CH₃)₃N reacts with HCl to form (CH₃)₃NH⁺.…
find the greatest number which divides 225 and 2425 leaving remainder 5 in each case
find the greatest number which divides 225 and 2425 leaving remainder 5 in each case The correct answer and explanation is: Correct Answer: 20 Explanation: To find the greatest number…
State Archimede’s principle
State Archimede’s principle. The correct answer and explanation is: Correct Answer:Archimedes’ Principle states that when a body is completely or partially immersed in a fluid, it experiences an upward force,…
Draw the structure of phosphorus atom according to Bohr’s model of atom
Draw the structure of phosphorus atom according to Bohr’s model of atom. Write the valency of phosphorus. (Atomic number of phosphorus = 15) The correct answer and explanation is: Correct…
Given the barometric pressure of 1 atm, make these conversions
Given the barometric pressure of 1 atm, make these conversions: (a) 80 psig to psia (b) 20 in.Hg vacuum to psia (c) 10 psia to kPag The correct answer and…
Given the atmospheric pressure of 14.7psia (29.92 in Hg abs)
Given the atmospheric pressure of 14.7psia (29.92 in Hg abs), convert 15 in Hg vacuum to psia. The correct answer and explanation is: Correct Answer:15 in Hg vacuum = 7.42…
Who should be notified immediately to determine next steps when a medication error is made
Who should be notified immediately to determine next steps when a medication error is made? The correct answer and explanation is: Correct Answer: The supervising nurse or physician should be…
To determine filing status, a taxpayer’s marital status is determined based on the number of days the taxpayer was married during the year compared to the number of days they were not married
To determine filing status, a taxpayer’s marital status is determined based on the number of days the taxpayer was married during the year compared to the number of days they…