• Q : Find the final temperature of the block and the water....
    Chemistry :

    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

  • Q : Draw an electron-dot structure for acetonitrile....
    Chemistry :

    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

  • Q : Properties of equivalence relation....
    Mathematics :

    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

  • Q : Oxygen-bearing carbons atom in ethanol....
    Chemistry :

    Draw a three-dimensional representation of the oxygen-bearing carbons atom in ethanol, CH3CH2OH, using the standard convention of solid, wedged, and dashed lines.

  • Q : Calculate the length of the perppendicular from....
    Mathematics :

    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

  • Q : Volumetric efficiency of the compressor....
    Physics :

    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?

  • Q : Triangle and its medial triangle....
    Mathematics :

    Use vector techniques to prove that a triangle and its medial triangle have the same centroid, stating each step of the proof.

  • Q : Problem based on pyrrole anion....
    Chemistry :

    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

  • Q : Write a structural formula for phytane....
    Chemistry :

    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

  • Q : Calculate outflow concentration of conservative substance....
    Physics :

    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.

  • Q : Why sound waves cannot travel in a vacuum but light can....
    Chemistry :

    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.

  • Q : Perform the calculation of the two wave characteristics....
    Chemistry :

    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.

  • Q : Making quadrilateral a parallelogram....
    Mathematics :

    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.

  • Q : Explain hydrostatic pressure and hydrodynamic pressure....
    Chemistry :

    Explain what is meant by the terms hydrostatic pressure and hydrodynamic pressure? Which of these terms can be used when discussing cardiac output?

  • Q : Magnitudes of the four displacement vectors....
    Mathematics :

    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

  • Q : Test solution prior to the enzyme assay....
    Chemistry :

    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?

  • Q : Can the terms mass and weight be used interchangeably....
    Chemistry :

    Can the terms ‘mass' and ‘weight' be used interchangeably - explain. Complete the following questions about nuclear radiation.

  • Q : Temperature and volume....
    Physics :

    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

  • Q : Find the measure of each angle in a triangle....
    Physics :

    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

  • Q : Stronger hydrogen bonding....
    Chemistry :

    Which one has a stronger hydrogen bonding HO-H...OH2  or HS-H....SH2 ("..." indicated the location of hydrogen bonding)? Why?

  • Q : Calculate the flow rate of the gasoline....
    Physics :

    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.

  • Q : Calculate the volume of benzene in the drum....
    Chemistry :

    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.

  • Q : Problem based on solutions....
    Chemistry :

    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.

  • Q : How many liters of hydrogen gas would be realeased at stp....
    Chemistry :

    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?

  • Q : Decomposition of water....
    Chemistry :

    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?

©TutorsGlobe All rights reserved 2022-2023.