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Which ion-dipole would have the strongest attraction with an aqueous substance like water: Na, Ba2+,Mg2+ Rank...
Which of the following can be predicted from the law of mass action? I. At...
Two long and paralell wires are separated by a distance b, they carry current I1 and...
the rate law for the decomposition of acetaldehyde is rate=k[ acetaldehyde]^2. what is the rate of...
draw a mechanism and provide structure of the adol product that results when 4-methylpentanal is heated...
a Carnot engine whore hot reservoir temperature is 370 C has a thermal efficiency 36%. By...
The experimental rate constant for the reaction of iodide ion with methyl bromide is 7.70×10−3L/(mol·s) at...
When an object is 16.5 cm from a lens, an image is formed 9.00 cm from...
We observe a red giant with a luminosity 172 times the Sun's and a wavelength of...
25.At a picnic party, you throw a Frisbee to your friend. The Frisbee has a mass...
Transcribe the following DNA sequence into mRNA, and then translate it into protein. Be sure to...
in a certain breed of plants, dark green is determined by the dominant allele G and...
A large mirror is hung from a nail. The supporting steel wire has a diameter of...
The hydrogen sulfite ion (HSO3ˉ) is amphiprotic. Write the reaction of HSO3ˉ with water, in which...
why would prospective parents want to be tested for phenylketonuria mutations?
Part A What volume of 0.170 M HCl is required for the complete neutralization of 1.80...
What is the freezing point of a 4.19 molal aqueous solution of ethylene glycol, a nonvolatile,...
You need to prepare a 2.10 M solution of sodium hydroxide (molar mass of sodium hydroxide=...
Question 2 Two cars are traveling toward each other. When they are 100 meters apart, the...
What specific ideas from other thinkers led Darwin to his conclusion about evolution?
1. Light reflects from the front and back surfaces of a bubble. Assume the bubble is...
an aluminum rod and a nickel rod are both 5.00 m long at 20.0 C. The...
Which of the following would tell you that a weak base is present? A. An indicator...
What are two advantages and two disadvantages of nuclear power? Write the chemical equation for the...
a) Provide the structure that is consistent with the data below. C7H14O2 IR (cm-1):  
1) When the following equation is balanced properly under acidic conditions, what are the coefficients of...
Select the correct classification for the reaction. H2SO4(aq) + 2LiOH(aq) → Li2SO4(aq) + 2H2O(l)
According to the World Health Organization (WHO) guidelines, patients with TB-HIV co-infection should receive the same...
Can someone explain how the m/z value of neopentane is 57 m/z?? (H3C)4C
Write balanced half-reactions for the following redox reaction: 5I2(s)+2Mn^2+(aq)+16OH^-(aq)=10I^-(aq)+2MnO4^-(aq)+8H2O(l)
Shown below is the anti-sense DNA sequence from a region of a gene that produces a...
In the titration of 0.04 M weak base B of 50mL with 0.100 M HCl, what...
a.) A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and...
I need new and unique answers, please. (Use your own words, don't copy and paste), Please...
suppose a particle in a bow of length L in its ground state and is a...
1.A hollow spherical shell has an inner radius r1 and outer radius r2. It is made...
If a student needed to make 25.678 g alum and KOH and H2SO4 are in excess,...
How are copies of a DNA amplicon made after the amplicon inserted into a cloning vector?
Complete the ray diagram below. Label the object distance, object size, image distance, image size, and...
If you used only a keyboard to enter data, how many years would it take to...
(a) Compute the root-mean-square speed of a nitrogen molecule at 74.7°C. The molar mass of nitrogen...
What new signal do you expect in the IR of your product when compared with the...
Hello, I need help with this question with parts A&B: A proton is fired at 3.6...
Which technique (simple, fractional, or steam distillation) should be used to separate a hexane-water mixture.
Mix 0.05M KH2PO4 and 0.05M K2HPO4 in the following volumes (ml) in 100mL beakers or cups:...
What are the structures for 5'-ATP, 5'-UDP, 5'-dCTP, 5'-dTMP?
1. how many unpaired electrons are in the beryllium atom? is the atom Paramagnetic or diamagnetic...
What term refers to the pairing of 2 different ligand-bound receptors?
Athlete attempting to hit a golf ball off a tee. Athlete applies 400N of force to...
the ratio of the electric potential across a circuit element to the current flowing through that...
what is one example in daily life of the use of clapeyron equation ?
Two capacitors are connected to a battery. The battery voltage is V = 90 V, and...
During a compression stroke of a cylinder in a diesel engine, the air pressure in the...
how the body regulates blood pressure when blood pressure is low. Please include relevant organs, hormones,...
A galvanic cell with a large equilibrium constant has a ___________ cell potential. A. Positive B....
A charge 3q is located at y=d on the y-axis. A charge q is located at...
1. How strong is the attractive force between a glass rod with a 0.616 μC charge...
Q. How do the resonance frequencies compare between the open tube and the closed tube &...
To test the accuracy of a method for detecting arsenic species in water, 0.40 mg of...
The siren of a police car at rest emits at frequency of 1600 Hz. What frequency...
Why does [M(H2O)6]+2 exhibit an Orange color while [M(dmg)6] exhibits a blue color ?
While riding your bike you turn a corner of radius 8.5 meters while traveling at 3.2...
Concentrated calcium hydroxide solution is 52.0% by mass and has a density 2.35 g/mL.(A)Calculate the molarity...
Of the following ideas postulated by Gregor Mendel, which one requires at least two genes to...
Calculate the solubility (in g / L) of a generic salt with a formula of A2B,...
Consider the following reaction: HNO2 (aq) + HPO42-(aq) ⇌ NO2-(aq) + H2PO4-(aq) a.)Identify the Brønsted-Lowry acids...
Consider the reaction: N2+O2--------> 2NO How many grams of nitrogen gas are required to produce 60...
Calculate the molar solubility of Ag3PO4 in moles/L, Ksp=1.8x10-18, and Ce(OH)3, Ksp=1.5x10-20
An alpha-helix of 40 Angstrom will have ___ residues. Please show your calculations. a. 11 b....
What is thought to account for as much as 25% basal energy expenditure? How could you...
A 1.3 kg mass weighs 11.18 N on the surface of a planet similar to Earth....
What is the function of the glycosylated membrane proteins on the membrane of the lysosome? How...
While at a party, you pull up a sound intensity level app on your phone (everyone...
Which of the compounds contain chiral centers? 1-bromobutane 2-bromobutane 1,2-dibromobutane 1,3-dibromobutane 1,4-dibromobutane 2,3-dibromobutane Chirality and Enantiomers
In PCR, how does length/composition of primers affect annealing?
The action of some commercial drain cleaners is based on the following reaction: 2 NaOH(s) +...
These questions relate to ion chromatography to investigate water quality issues. What is the purpose of...
1A. You are on a 2-day hiking trip to the Superstition Mountains. You pack food and enough...
Calculate the magnitude of the electric field at one corner of a square 1.22 m on...
At 37 °C the equilibrium concentration of Ca2+ inside a cell is 0.067 M and outside...
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