-
discussion for pH determination of acid,base and buffer solution
$15.00
Science
Waiting for answer
-
Which ligands can plausibly experience ring-slippage?
$35.00
Science
Waiting for answer
-
An Alaskan rescue plane traveling 38 m/s drops a package of emergency rations from a height of 195 m to a stranded party of explorers. The...
$15.00
Science
Waiting for answer
-
Far in space, where gravity is negligible, a 435 rocket traveling at 75.0 fires its engines. The figure shows the thrust force as a function of time....
$20.00
Science
Waiting for answer
-
From the following, which could possibly undergo outer-sphere electron transfer with Pd(dien)(NH 3 ) 2 2+ ?
$15.00
Science
Waiting for answer
-
What would the stereochemistry to be in the following reaction?
$10.00
Science
Waiting for answer
-
In two hundred words or more compare and contrast diabetes type 1 and type 2. Review the pathophysiology, symptoms, causes, and treatments. Where is
$15.00
Science
Waiting for answer
-
When you propose an explanation for an observation it is ?
$50.00
Science
Waiting for answer
-
The escalator that leads down into a subway station has a length of 30.5 m and a speed of 1.9 m/s relative to the ground.
$15.00
Science
Waiting for answer
-
A nonconducting sphere has radius R = 2.53 cm and uniformly distributed charge q = +6.00 fC. Take the electric potential at the sphere's center to be...
$15.00
Science
Waiting for answer
-
An inquisitive physics student and mountain climber climbs a 54.0 m cliff that overhangs a calm pool of water. He throws two stones vertically...
$12.00
Science
Waiting for answer
-
which of the following is a property of niacin?
$35.00
Science
Waiting for answer
-
If a piece of aluminum with mass 3.90 g and a temperature of 99.3 degrees celcius is dropped into 10.0 cm cubed of water at 22.6 degrees celcius,
$10.00
Science
Waiting for answer
-
cube of a silver-colored metal with a volume of 64 cm3 has a mass of 672 g. The density of pure silver is 10.5 g/cm3. Is the metal pure silver?
$20.00
Science
Waiting for answer
-
the half life for iodine-131, is 8.04 days. iodine-131 decays by beta particle and gamma ray emission. calculate the total number of beta particles...
$50.00
Science
Waiting for answer
-
The solar radiation curve is a graph of -colors of sunlight versus their wavelengths. -colors of sunlight versus their frequencies. -the path of the...
$20.00
Science
Waiting for answer
-
Would you expect the dissolved oxygen concentration of water samples taken from a lake at 7:00am to be higher or lower than samples taken at 5:00pm?
$20.00
Science
Waiting for answer
-
125 progeny were produced from the following cross: aaBbCcDd AaBbccDD. Assume all the genes are unlinked, and that the uppercase letters represent...
$12.00
Science
Waiting for answer
-
Define deuterostome and name two deuterostome phyla of animals?
$20.00
Science
Waiting for answer
-
Choose a hormone that has a role in menstruation and describe its function.
$10.00
Science
Waiting for answer
-
Consider the coordination compound, Na 2 [Pt(CN) 4 ].
$15.00
Science
Waiting for answer
-
Consider the coordination compound, K 2 [Cu(CN) 4 ].
$50.00
Science
Waiting for answer
-
A rubber ball with several pin holes is filled with water. On squeezing it, water is forced out with equal force through all the holes.
$20.00
Science
Waiting for answer
-
Prenatal and genetic testing are both used to help determine possible conditions that might develop in a baby. Genetic testing is often used to
$35.00
Science
Waiting for answer
-
What would the effect of each reagent ( control buffer ; substrate buffer; citric acid and ascorbic acid) be on the browning process?
$20.00
Science
Waiting for answer
-
What is the thermal speed of a hydrogen atom at the exospheric temperature of about 200 ?
$35.00
Science
Waiting for answer
-
FeS(s)+3NO3-(aq)+4H+(aq)--gt;3NO(g)+SO4-2(aq)+Fe3+(aq)+2H2O(l) reducing agent and oxidizing agent
$15.00
Science
Waiting for answer
-
When propane is heated to high temperatures, it pyrolyzes or decomposes. Assume that the only reactions that occur are:
$10.00
Science
Waiting for answer
-
Hydrogen gas can be produced by the following reactions between propane and steam in the presence of a nickel catalyst:
$50.00
Science
Waiting for answer
-
Crystalline sodium sulfate in the presence of water vapor may form a decahydrate:
$10.00
Science
Waiting for answer
-
In 750-1,000 words, propose a health policy change (that is currently a bill, a law, or may not exist at all) at the state or federal level that you...
$20.00
Science
Waiting for answer
-
What is the freezing point of a solution made by mixing 1.40 mol sodium sulfate, Na2(SO4), 1750 g H2O?
$50.00
Science
Waiting for answer
-
How do servant leaders, as compared with leaders using the transformational model of leadership, manage organization dynamics and lead change to
$50.00
Science
Waiting for answer
-
We have all come to expect a certain amount of living space, and it is not necessarily sustainable for all of us to have such space.
$20.00
Science
Waiting for answer
-
A piece of metal with a mass of 12.5 g is placed into a graduated cylinder that contains 25.00 mL of water, raising the water level to 27.5 mL. What
$20.00
Science
Waiting for answer
-
2,3 dimethylbutadiene Diels alder rxn with maleic anhydride.......concerns of reaction for good yield?
$50.00
Science
Waiting for answer
-
1 TOPIC LEARNING OBJECTIVES Establishing Helping amp; Healing Relationships (Chapter 4) Compare and contrast helping and healing relationships
$50.00
Science
Waiting for answer
-
To what temperature must a 3.0 L container filled with 4.83 g of Ar be heated to obtain a pressure of 1.30 atm?
$50.00
Science
Waiting for answer
-
How will the level of DNA compaction change over the life of a cell?
$12.00
Science
Waiting for answer
-
Use the following information when answering the corresponding question.
$10.00
Science
Waiting for answer
-
Review the background information on each of the pollutants covered under the NAAQS and, based on the available information and considering the
$15.00
Science
Waiting for answer
-
Thus I0 dA0 dT,0 = I0 dA0 AT /r 2 = Ii dAi dT,i = Ii dAi AT /f 2 , (11) but solid angle sub-tending image from telescope equals solid angle
$10.00
Science
Waiting for answer
-
The data for the CLEA Transit of Mercury exercise consists of three series of images taken with these telescopes on May 7, 2003: 10 images from El...
$35.00
Science
Waiting for answer
-
Time appears to advance more slowly for objects moving close to the speed of light. Relativity deals with the question:
$35.00
Science
Waiting for answer
-
Transits of Venus and Mercury these three tracks are in the order you see them: Why is the Learmonth track at the top, and the El Teide track at the
$20.00
Science
Waiting for answer
-
(a) Find the mass of hypothetical spherical asteroid 2 km in diameter and composed of rock with average density 2500 kg/m (cubed).
$15.00
Science
Waiting for answer
-
3:1). C. Which of the moons is farthest from a resonance? D. Which of the moons is least geologically active?
$12.00
Science
Waiting for answer
-
What are the design features in an aircraft that primarily affect an aircraft's takeoff and landing performance (Specifically, comment on the types
$10.00
Science
Waiting for answer
-
Which of the following is the molecule that displays an antigen on the surface of cells?
$12.00
Science
Waiting for answer
-
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0...
$50.00
Science
Waiting for answer