Explain rate expressions that describe rate of disappearance
4PH3(g)+3O2(g)-->4P(g)+6H2O(g)
Explain the rate expressions that describe the rate of disappearance of the reactant and the appearance of each product.
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Your boat is moving at the speed of 15 miles per hour at the angle of 25 degrees upstream on the river flowing at 4 miles per hour. Determine the vector representing your boat's velocity relative to the ground.
Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis when for a two-tailed test.
At 20.0°C an unknown liquid having 32.5-g sample is heated to 120°C. During this heating, the density of the liquid changes from 0.854 g/cm3 to 0.797g/cm3. Explain what volume would this sample occupy at120°C?
A researcher is interested in estimating the average salary of teachers in a large urban school district. She wants to be 95% confident that her estimate is correct.
Park ranger at point A sees the fire in direction N 27o44' E. Another ranger at point B, 8 miles due east of A, sites the same fire at N 52o43' W. Find distance from point B to fire.
The mass of diamonds is often measured in "carats", the Diamond has a density of 3.513 g/cm3, where 1 carat equals 0.200g. Determine the volume of a 1.50 carat diamond?
A U.S. Travel Data Center's survey of 1500 adults found that 42% of respondents stated that they favor historical sites as vacations. Find the 95% confidence interval of the true proportion of all adults who favor visiting historical sites as vaca
Determine the percentage of each conformer at equilibrium if the energy difference of 3.8 kJ/mol among anti butane and gauche corresponds to an equilibrium constant, Keq, of approximately 1.9.
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Discuss three ways that teachers can create a sense of community among the students and families that they will work with.
Review the following case study, "Caught In Between". And analyze it based on your knowledge of strategic communication you've learned about in this competency
Post an explanation of the role of theory in research. Next, identify a theory in your discipline and explain its basic tenets.
Respond to at least two colleagues by comparing the stressors you identified. Add on to their post by providing further information on the implications
1. Determine the area/field or potential problem for your group: (e.g., divorce, substance abuse, transitions, eating disorder, loss-bereavement
Analyze the art that portrays pharaoh Akhenaten. Take some notes on how Akhenaten is depicted in art. Think about Akhenaten's reforms in Ancient Egypt.
Review the resources included in each subtopic. Research the role of culture in child and adolescent development. Look for examples and review related studies