-
Canadian geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to about...
$35.00
Science
Waiting for answer
-
explain the meaning of electron transfer and ionic bonding.
$20.00
Science
Waiting for answer
-
a cicil engineer has calculated that the magnitude of the maximum centripetal acceleration of a car on a certain horizontal curve is 4.4m/s^2.
$12.00
Science
Waiting for answer
-
You take two measurements in a lab. The first measurement is in units called zorbs. The second measurement is in different units called zargs. Both...
$20.00
Science
Waiting for answer
-
explain how the adaptability of microorganisms increases disease transmission
$35.00
Science
Waiting for answer
-
which plant in the sonoran desert is biggest influence on the ecosystem
$10.00
Science
Waiting for answer
-
The swan-necked flasks of Pasteur's experiments _____. (Points : 2) a. allowed for airflow without allowing the introduction of environmental...
$20.00
Science
Waiting for answer
-
Suppose a small, new planet were discovered at a distance of 4.00 AU from the Sun. According to Kepler's third law, what would be its period in years?...
$50.00
Science
Waiting for answer
-
Determine the period in years of a planet that is located 5.20 AU from the Sun. Do not include the unit in your answer.
$10.00
Science
Waiting for answer
-
A metal rod has a mass of 17. A graduated cylinder contains 28.9 mL of water. The metal rod is added to the cylinder. The final water level in the...
$35.00
Science
Waiting for answer
-
When 235U fissions, it loses about 1% of its rest-mass. Suppose that 25 kg of 235U fissions.
$15.00
Science
Waiting for answer
-
Chapter 24: Nursing Management of the Newborn at Risk: Acquired and Congenital Newborn Conditions 1. On the evening shift in the special care...
$20.00
Science
Waiting for answer
-
Mandy Case Study Mandy is a 16-year-old competitive figure skater who practices several hours a day with her coach at the skating arena.
$50.00
Science
Waiting for answer
-
post a response (at least 200-300 words) to the following prompt: We are more connected and dependent on our technology than ever before.
$10.00
Science
Waiting for answer
-
Osmium has a density of 22.6 g/cm3. What volume would be occupied by a 21.8 g sample of osmium?
$50.00
Science
Waiting for answer
-
Go to the website: http://www.footprintcalculator.org/ ***The footprint quiz is powered by Adobe Flash. It will only run on devices running Adobe...
$50.00
Science
Waiting for answer
-
explain the difference between TLC and column chromatography, and differences in their uses
$10.00
Science
Waiting for answer
-
Could you safely walk across a bed of red-hot wooden coals with bare feet? Could you do the same on red-hot iron coals?
$12.00
Science
Waiting for answer
-
Since the north pole of this compass is attracted northward, will the needle float toward the north side of the bowl?
$20.00
Science
Waiting for answer
-
A stone is shown at rest on the ground. The vector shows the weight of the stone. Complete the vector diagram showing another vector that results in...
$10.00
Science
Waiting for answer
-
A. Proton b. Nucleus c. Atom d. Molecule The force that holds all atoms together is a. magnetic. Which is the smallest entity in the following list?
$12.00
Science
Waiting for answer
-
25. An object when orbiting the Earth at a height of three Earth radii from the center of the Earth has a weight of 1.00 N. What is the objects mass?...
$50.00
Science
Waiting for answer
-
Assuming no other changes, what effect of the rate would simultaneously doubling the concentrations of both n-butyl bromide and CN ions have:?
$35.00
Science
Waiting for answer
-
even 20th century biologists might have believed? To what extent was Darwin's description of species as quot;convenient constructionsquot; accurate?...
$50.00
Science
Waiting for answer
-
0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 41.0 cm/s.
$15.00
Science
Waiting for answer
-
A student performs a ballistic pendulum experiment using an apparatus similar to that shown in the gure.
$15.00
Science
Waiting for answer
-
The tip of one prong of a tuning fork undergoes SHM of frequency 1025 Hz and amplitude 0.55 mm. Find the magnitude of the following values for this...
$15.00
Science
Waiting for answer
-
How fast (in {\rm rpm}) must a centrifuge rotate if a particle 5.00 cm from the axis of rotation is to experience an acceleration of 116000 {\rm g}'s?...
$50.00
Science
Waiting for answer
-
g that the answer to part b is quot;Yesquot;, at what temperature will the crystals begin to appear when the studentquot;s solution begins to cool?...
$12.00
Science
Waiting for answer
-
explain why you reduced indigo you synthesized to leucoindigo with sodium dithionite befor you dyed your fabric. what caused the blue color to return...
$50.00
Science
Waiting for answer
-
What mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration up to 0.138 M, assuming no change in blood
$12.00
Science
Waiting for answer
-
Discuss the unique ecological, evolutionary, and geologic factors contributing to the high endemism of the Caribbean Islands.
$50.00
Science
Waiting for answer
-
Two reasons why two substances that run on a chromatography column do not separate as defined bands. A spot of a sample whose retention factor is...
$20.00
Science
Waiting for answer
-
Explain briefly how the kidneys regulate the acid-base balance. Explain the possible reasons he or she could be experiencing weight gain or weight...
$15.00
Science
Waiting for answer
-
Calculate I, y +-, and a +- for a 0.0275 molal solution of Na 3 PO 4 at 298 K, assuming complete dissociation.
$20.00
Science
Waiting for answer
-
First present the characteristics of water that make it capable of hydrogen bonding. Then discuss why water is a good solvent and so readily exhibits...
$10.00
Science
Waiting for answer
-
A solution is prepared by dissolving 40.0 grams of an oligosaccharide in 1L of water. The osmotic pressure of this solution is measured at 298 K and...
$10.00
Science
Waiting for answer
-
Tin has two solid forms, Sn (s,gray) and Sn (s,white), that are at equilibrium with each other at 1 bar and 18 C.
$12.00
Science
Waiting for answer
-
55 moles of Argon gas undergo an isothermal reversible expansion from an initial volume of 5.00 L to 105. L at 300 K. Calculate the work done during...
$50.00
Science
Waiting for answer
-
For the following equilibrium reaction: 3O 2 (g) -gt; 2 O 3 (g) Here is an ICE table, starting from n 0 moles of pure O 2 :
$10.00
Science
Waiting for answer
-
For each of your 2 trials, enter the pressure in mmHg exerted by the column of liquid in your buret. Remember that Hg is 13.6 times as dense as water....
$20.00
Science
Waiting for answer
-
The wavelength of light from a HeNe laser is 6.33 x 10-7 m. If the frequency of the light from the laser is 4.74 x 1014 Hz, find the speed of light.
$35.00
Science
Waiting for answer
-
A portable lantern has a battery with a 6 V and 1 ohm internal resistance while the light bulb has a resistance of 11 ohms in a simple series circuit....
$12.00
Science
Waiting for answer
-
Most of a cell's energy is produced from the oxidation of carbohydrates.? true or false?
$50.00
Science
Waiting for answer
-
Apply the loop rule to loop aedcba in the figure below. (Use the following as necessary: I 1 , I 2 , R 1 , R 2 , R 3 , r 1 , r 2 , E 1 for 1 , and E...
$35.00
Science
Waiting for answer
-
Match the following descriptions with the best term. The terms will only be used once.
$10.00
Science
Waiting for answer
-
One mole of H 2 O (l) is supercooled to -5.00 C at 1 bar pressure before freezing at that temperature. Calculate deltaS sys , deltaS surr , and
$15.00
Science
Waiting for answer
-
The total volume of water on earth is estimated to be 1.386*E9 km 3 . How many kg of glucose (C 6 H 12 O 6 ) would need to be combusted to produce
$12.00
Science
Waiting for answer
-
C p,m for SO 2 (g) is described by yhe following equation: C P,m / R = 3.093 + 6.967*E-3 T - 4.581*E-6 T 2 + 1.035*E-9 T 3 where T is the absolute...
$50.00
Science
Waiting for answer
-
A curling stone slides on a frictionless, frozen lake and collides with the end of a log, bouncing off elastically.
$10.00
Science
Waiting for answer
