Find bearing to ship form port after two hours
The ship leaves port of Miami with the bearing of S80E and the speed of 15 knots. After one hour, ship turns 90 degrees toward south. After two hours, maintaining same spped, find bearing to ship form port?
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The element Mercury, Hg, is a silvery liquid at the room temperature. The normal freezing point for Mercury is -39.9oC, and its molar enthalpy of fusion is? Hfusion =2.29 KJ/mol.
Determine the numbers of grams of SiCl4are obtained in the reaction of 2.8 g of silicon with excess the chlorine in the direct reaction of silicon with Cl2 the yield of SiCl4 is 50 percent?
Explain the minimum amount of ethanol required to re-crystallize 2.0 gram sample of compound X when the solubility of an unknown compound X in ethanol is found to be 0.21 grams per 10 mL at 0o Celsius and 1.4 grams per 10mL at 78oC.
A mixture of 175 g of iron(III) chloride (162.2 g/mol) and 41.0 g of magnesium (24.31 g/mol) is allowed to react. Determine what mass of magnesium chloride = 95.21 g/mol is produced?
At 25°C a certain batch of fire flies were observed to "flash" at the rate of 16.6 times per minute and at the lower rate of 5.5times a minute at a temperature of 15°C.
Calculate the maximum amount of aluminum phosphate that is precipitated by adding an excess of aluminum nitrate solution to 50 mL of 1.53 M potassium phosphate by using this equation.
Given binomial distribution with n = 33 and p = 0.85, would normal distribution give a reasonable approximation? Why or why not?
Estimate the energy needed to excite an electron from then=8 orbital of hydrogen to the n=19 and determine to what portion of the EM spectrum does this wavelength correspond?
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Maintaining the proper salt and water balance of cells and body fluids is one of the greatest challenges facing estuarine organisms.
Problem: Choose the best answer. Why are natural brush and forest fires important to some ecosystems?
How are lichens or moss similar to the pioneer species, like grass, that colonize an abandoned field? How are they different?
What political, economic, and cultural factors are prohibiting world leaders from agreeing on solutions to global environmental challenges?
Make sure to use research when making your arguments and counterarguments. Be reminded that this is an argumentative essay
Address Piaget's Four Stages of Cognitive Development. Include the following for each stage: Title of each stage
1. What is the first-line treatment for BPD? 2. What can be done from a psychopharmacological perspective?