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A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given the specific heat of the metal (s= 0.900 J/g·°C), find the final temperature of t
Draw an electron-dot structure for Acetonitrile, C2H3N, which contains a carbon-nitrogen triple bond. How many electrons does the nitrogen atom have in its outer shell? How many are bonding, and how
Which of the following relations in 0,1,2,3 are equivalence relations? If the given relation is an equivalence relation, then verify the properties of equivalence relation. If the given relation is
Draw a three-dimensional representation of the oxygen-bearing carbons atom in ethanol, CH3CH2OH, using the standard convention of solid, wedged, and dashed lines.
Calculate the length of the perppendicular from a poit p on the curve defined by ax= y^2, by=z^2, to the xz plane, where the perpendicular is also perpendicular to the plane defined by the tangent
The volumetric efficiency of the compressor. If the pressure ratio is doubled, what will the new clearance volume need to be in order that the volumetric efficiency is not reduced?
Use vector techniques to prove that a triangle and its medial triangle have the same centroid, stating each step of the proof.
Although pyrrole is a much weaker base than most other amines, it is a much stronger acid (pKa ≈ 15 for the pyrrole versus 35 for diethyl amine). The N-H proton is readily abstracted by base t
Phytane is a naturally occurring alkane produced by the alga Spirogyra and is a constituent of petroleum. The IUPAC name for phytane is 2, 6, 10, 14-tetramethylhexadecane. Write a structural formula
If cin = cb (1 - e-0.12t), calculate the outflow concentration of a conservative substance (no reaction) for a single, completely mixed reactor as a function of time.
What is the difference between longitudinal and transverse waves, provide an example of each. Explain why sound waves cannot travel in a vacuum but light can.
Which two of the following are able to be calculated, based on the data provided. Perform the calculation of the two wave characteristics and explain why it is not possible to calculate the third.
I am given a quad. and asked what values x and y must be to make the quad. a parallelogram. One side says 26 and the opposite side of that says 3x-y.
Explain what is meant by the terms hydrostatic pressure and hydrodynamic pressure? Which of these terms can be used when discussing cardiac output?
The magnitudes of the four displacement vectors shown in the drawing are A = 15.0 m, B = 11.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occu
Describe how the enzyme assay could still be used accurately even if maltose is already present in the test solution prior to the enzyme assay?
Can the terms ‘mass' and ‘weight' be used interchangeably - explain. Complete the following questions about nuclear radiation.
A gas cylinder containing 3.88 mol of helium has a pressure of 549 mm Hg at 298 K.If 1.22 mol of neon is added to this cylinder, at constant temperature and volume, the pressure will rise to 1750 mm
In any triangle, the sum of the measures of the angles is 180°. in a triangle ABC, angle A is four times as large as angle B. Angle C measures 20° less than angle B. Find the measure of each
Which one has a stronger hydrogen bonding HO-H...OH2 or HS-H....SH2 ("..." indicated the location of hydrogen bonding)? Why?
Assume it takes 7.00 minutes to fill a 30.0-gal gasoline tank. Calculate the flow rate of the gasoline in cubic meters per second.
If the density of benzene is 0.8766 g/mL, calculate the volume of benzene in the drum. Be sure to consider the units and significant figures.
During lightning flashes nitrogen combines with oxygen in the atmosphere to form nitrogen monoxide, NO, which then reacts further with O2 further to produce nitrogen dioxide, NO2.
Zinc reacts with 100. mL of 6.00 M cold, aqueous sulferic acid through single replacement. How many grams of zinc sulferic are produced? How many liters of hydrogen gas would be realeased at STP?
The following reaction represents the decomposition of water: How many molecules of hydrogen are produced from the decomposition of 12.2g of water into its elements?