Reference no: EM13112092
1- Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:
ΔS sys >0 , ΔS surr >0
ΔS sys <0 , ΔS surr >0
ΔS sys >0 , ΔS surr <0
ΔS sys <0 , ΔS surr <0
2-Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2NO 2 (g)→2NO(g)+O 2 (g)ΔH ° rxn = +113.1 kJ. Choose from:
ΔS sys >0 , ΔS surr >0
ΔS sys <0 , ΔS surr >0
ΔS sys >0 , ΔS surr <0
ΔS sys <0 , ΔS surr <0
3-Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2H 2 (g)+O 2 (g)→2H 2 O(g)ΔH ° rxn = -483.6 kJ . choose from:
ΔS sys >0 , ΔS surr >0
ΔS sys <0 , ΔS surr >0
ΔS sys >0 , ΔS surr <0
ΔS sys <0 , ΔS surr <0
4-Determine the sign of ΔS sys and ΔS surr for each chemical reaction.CO 2 (g)→C(s)+O 2 (g)ΔH ° rxn = +393.5 kJ . Choose from:
ΔS sys >0 , ΔS surr >0
ΔS sys <0 , ΔS surr >0
ΔS sys >0 , ΔS surr <0
ΔS sys <0 , ΔS surr <0
5-In photosynthesis, plants form glucose (C 6 H 12 O 6 ) and oxygen from carbon dioxide and water.Calculate ΔH ° rxn at 15 ° C and Calculate ΔG ° rxn at 15 ° C .
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Define null hypothesis and alternative hypothesis for test
: If mean height when these plants are treated with the certain chemical varies from 185. Define the null hypothesis H0 and alternative hypothesis H1 which we would use for this test.
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Determining gibbs free energy for the reaction
: If ΔH = -60.0kJ and ΔS = -0.200kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins.
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Show the restriction enzyme cut sites
: Show the restriction enzyme cut sites and the base pair distances between the cut sites on a circle. Bam HI= 190bp, 380 bp. Hind III= 570 bp. EcoRI= 165 bp, 405 bp. BamHI and HindIII= 30 bp, 190 bp, 350 bp. BamHI and EcoRI= 75 bp, 90 bp, 115 bp, 2..
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Seting up the null and alternative hypotheses
: A 1990 census report revealed that the mean distance that U. S. citizens live from their birthplace is 50 miles and that the standard deviation is 15 miles. A random sample of 49 residents of your city yielded a mean distance of 56 miles.
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Question based on chemistry change
: Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:
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Explain why this error caused an immune reaction
: Marco was in a car accident and lost a significant amount of blood. The doctors knew Marco had type O blood, but due to a terrible error, Marco received blood that was type A. This caused a severe immune reaction, but luckily Marco survived. Expla..
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Determining z-test of a mean
: Due to increase in product demand, management needs to increase labor production hours by an estimated 270 hours. Any-Business currently has 30 production employees whose hourly wages varies from $7.50 - $8.50 per hour.
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Determine standardized test statistic z-corresponding area
: Determine standardized test statistic z and its corresponding area. If convenient use technology. z=( ) round to two decimals. Area= ( ).
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How can you explain this observation
: Hospital patients often become infected with resistant bacteria that are rarely found outside of the hospital environment. How can you explain this observation?
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