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Determine the number of atoms are contained in one unit cell of metallic tungsten if it forms a face centered cubic unit cell?
Radium-226 has a half life of 1600years, which undergoes alpha decay. Determine the numbers of alpha particles are emitted in 5 min by a 10 mg sample of Radium-226?
What percent of the crude molecules contain the sulfur, supposing that each molecule can contain either zero or one sulfur atom?
Write all possible rational roots for function h(x)=6x^4-5x^2+12. Determine maximum number of real zeros which function can have? Why?
Phosphorite is a mineral that contains Ca3(PO4)2 plus other non-phosphorous-containing compounds. Find out the maximum amount of P4 that can be formed from 1.0 kg of phosphorite if the phosp
At 760 mm Hg a solution of glycerol (C3H5(OH)3) in the 937 g of water had a boiling point of 104.7 degrees Celsius. Determine how much of glycerol is in the solution?
Explain what will be the concentration of ethanol in % v/v if a 250 mL solution of ethanol in water is prepared with 4mL of absolute ethanol.
Do you think you could carry 2.80 cubic ft? If the gold has a density of 19.3 g/cm3, Explain how many pounds does 2.80 cubic feet of gold weigh? [453.6 g = 1 lb, 2.54 cm = 1 in, and 1 ft = 12 in.]
Write down a comprehensive mechanism for the dehydration of 1-methyl-1-phenylethanol with H3PO4 at 100 deg. C. Show all the intermediates in the reaction pathway with appropriate charges.
The 50ft pole has the supprot wire which runs from its top to ground with the angle of depression of 75degrees. How far from base of pole does wire connects to the ground, and how much wire is utili
Consider f(x)=2x^2+8x-7, and reply the following questions. Determine coordinates of x and y intercepts of f(x). Write intervals on which f(x) is increasing and decreasing.
Distance the body falls from rest differs directly as square of time falls. If the penny fall dropped from top of skyscaper falls 144 feet in 3 seconds, how far will ball fall in seven seconds?
Compute vertex of parabola whose equations is f(x)=12x^2-x-6. Define 5 other points on graph to include: they y-intercept, x-intercepts and 3 other solutions.
Write the equation for reaction of Tollens Reagent with heptanal. Write structure of organic product resulting from reaction of basic KI/I2 reagent with 2-butanone.
If its population is found to be at the certain level at 10 pm on same day, then at what time was its population at the quarter of that level?
Provided the following function, draw the basic graph of each. Do so by plotting x- and y-intercepts, and then use end behavior to find out how to graph must look.
The culture of bacteria obeys law of exponential growth. If 500 bacteria are there intially and there are 800 after 1 hour. Determine exponential function for model.
Find life expectancy of the human with average heartbeat of 72 beats per minute? Does theory appear to hold humans? Describe.
Project B must not exceed 40% of total investment. How much must she invest in every project to maximize return on investment?"
If you don't fence side along river, determine length and width of plot which will maximze area. Find largest area which can be enclosed?
The price p (in dollars) and quantity x sold of the certain product obey demand equation p= (-1/10)x+1000. SHOW WORK Pls. Write down equation which expresses revenue R as the function of x.
How many grams left after four days? When will it have half of its initial amount? By what percent number of grams decreases after one week?
At year 1 there were 1320 salamanders and at year 4 there were 4625. Write the formula for number of salamanders N, in population as a function of t.
Find how much club must invest in every kind of stock if investment goal is to have the return of $20,000/year on total investment.
The tax specialist has evaluated that probability that the tax return chosen at random will be audited is .02. Find probability that the tax return selected at random will result in extra assessments