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Suppose you place 0.7500 g of Mg (s) in a coffee cup calorimeter and then add 150 g of 1.0 M HCl (aq). The reaction is single replacement and hydrogen gas is produced. Calculate the enthalpy change per mole of Mg (s) reacted if the temperature of the solution increases from 22.2 oC to 44.8oC. The heat capacity of the solution is 4.184 J/g oC and the calorimeter has a heat capacity of 2.90 J/oC.
The geese fly 5.0 km due west, then turn toward the north by 50° and fly another 3.5 km. What is the magnitude of their displacement?
Suppose the two tryptophan codons within the leader peptide of the trp operon were changed from tryptophan to asparagine. Predict if attenuation (premature termination of transcription) of the trp operon will occur if bacteria are grown on media c..
When calculating the concentration of bacteria in a liquid culture, you should plate multiple dilutions of your culture then count the colonies that develop on only one of those plates.
Consider the evidence presented in the text for human evolution. What evidence do you consider to be the most significant and convincing support for human evolu
With electronic medical records now available, we have tremendous access to large amounts of health care data.
What is the active site of the enzyme? Which of the following is a term used to describe all chemical reactions in a cell
explain the feedback mechanism that maintain homeostasis and give two specific examples of what happen when homeostatic control systems do not function properly.
The cuckolded only benefits at the expense of cuckolded perhaps benefits are washed away by loss of paternity in his own nest.
What are some examples of organs in which mitosis is frequent, less or absent
Eukaryotic cells are more complex than prokaryotic cells. Explain their differences, functions and the composition of each including how genetic material is replicated.
Explain the process of DNA transcription to a friend. What are the main results of the process? Do the same for translation. Transcribe and translate the following sequence of DNA: TTAACGCCA.
What is meant by a control group?
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