Compute straight line distance from one city to another
The plane flew 705 miles from City A to City B with the bearing of 32degrees (clockwise from north). Then it flies 612 miles from City B to City C with the bearing of 41degrees. Compute straight line distance from City C to City A.
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Determine the number of moles of water (H2O) are in 39.6 g of sodium sulfate hydrate, Na2SO4 •10H2O? And also find out the moles of phosphorus, P, are in 39.0 moles of calcium phosphate, Ca3(PO4)2?
Write N as the exponential function of t. Compute the growth factor. How many asthma sufferers are predicted worldwide in year 2010 with linear model? With exponential model?
When it is heated with carbon in the presence of chlorine, titanium tetrachloride (TiCl4) is produced. A titanium ore contains rutile (TiO2) plus some silica and iron oxide.
4- Solutions of sodium hypochlorite, NaClO, are sold as bleach. They are prepared by the reaction of chlorine with sodium hydroxide. 2 NaOH(aq) +Cl2(g) → NaCl(aq) +NaClO(aq) + H2O(l)
Then it flies 612 miles from City B to City C with the bearing of 41degrees. Compute straight line distance from City C to City A.
Calculate the mass percentage of isopropyl alcohol in the solution? When a 6.02-g aqueous solution of isopropyl alcohol contains 4.08 g of isopropyl alcohol.
Find out the hydroxide ion concentration in this solution when solid iron (II) hydroxide is added to water, the resulting solution contains 1.4 × 10-3 g of dissolved iron (II) hydroxide per liter of solution.
The first step is the protonation of the alcohol oxygen to form an oxonium ion. The dehydration of 3-methyl-2-butanol forms two minor and one major product.
Determine the total dilution if the concentration of the original solution is 0.6 mM and the diluted solution is 0.2mM?
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