JustAAA
Home
Questions
Share
Post a Question (with Answer)
Coins
Ask a Question
Log In
Sign Up
Home
/
Chemistry Questions
Search
Chemistry Questions
A sample is prepared by volumetrically transferring 7.85 mL of whiskey into a 50 mL volumetric...
1-True or False The solubility of gases in liquids increases with increasing pressure. 2-True or False...
If you have 1.20g of Al, how many grams of potassium aluminum sulfate dodecahydrate should you...
Methanol vapor can decompose at high temperatures, resulting in the following equilibrium. CH3OH(g) <--> CO(g) +...
{This is in regards to Chem 2 and coordinate compounds; specifically, stereoisomers) My question is how...
Pure solid NaH2PO4 is dissolved in distilled water, making 100.00 ml of solution. 10.00ml of this...
What is the volume of 1.3lb of mercury? the density of mercury is 13.6 g/cm3(1lb =453.6...
Name four allosteric modulators of glycolysis and/or gluconeogenesis, and for each, state what enzyme(s) they modulate,...
so how do I figure the mass if the mass of crucible +sample is 15.937g? Would...
Calculate the pH during the titration of 30.00 mL of 0.1000 M CH3COOH(aq) with 0.1000 M...
Which of these indicators is best suited to distinguish between a solution that has a pH...
classify the following proceeses as open, closed, niether or both:- 1- oil storage tank at a...
1.Which of the following is CORRECT concerning the sarcoplasmic reticulum Ca2+ ATPase? A. It is an...
A) In reverse osmosis, water flows out of a salt solution until the osmotic pressure of...
What is the pH of a 0.25M solution of sodium formate, the conjugate base of formic...
A dietary supplement contains the following components. If a person uses the dietary supplement once a...
At 25 °C, how many dissociated OH– ions are there in 1243 mL of an aqueous...
the specific heat of a metal object is .21 cal/g C. The metal is heated to...
The membrance potential of a cell is -70mV. Ena is +65 mV , Ek =-95 mv...
Is C2 (+4) paramagnetic or diamagnetic
Indicate if the statements below best describe an ENDOthermic or EXOthermic process. Enter either endo or...
What if any would you have to change in terms of the mobile phase if you...
Why do crystals of diphenytlacetylene form upon addition of water?
in the Flame test for sodium ions Procedure is : dip a cleaned flame test wire...
Case 9.1: Unprofessional Conduct 1. Do you believe that the Board of Education violated her rights...
A group of students conducted a titration of 25.00-mL saturated Ca(OH)2 solution with 0.0480M HCl. The...
how many atoms are in 82.0 mL of water
Prove the following relations using the principles of electroneutrality and mass balance a.) [NO2-] =...
what is the solubility of ZnCO3 at 25C in a buffer solution with pH of 9.70?
Determine the minimum mass (in g) of NaCl (assume ideal behavior/values) required to keep 100.0g of...
determine the mass of water formed when 21.5 L NH3 (at 298 K and 1.50 atm)...
Polyhydroxybutyrate I'm in need of an elongation at break graph for PHB, and a melting temperature(Tm)...
1.23 g H2 is allowed to react with 9.69 g N2, producing 1.82 g NH3. What...
The Henderson-Hasselbalch equation relates the pH of a buffer solution to the pKa of its conjugate...
Determine the number of moles of each gas present in a mixture of CH4 and C2H6...
5.) (Taken from Chemistry: A Molecular Approach, 1st Ed. by Tro) Consider the following reaction...
Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters....
A mixture containing equal amounts of n-butanol, ethanol, and ethylbenzene at 100°C is contained in a...
Explain the differences between GC (gas chromatography) and LC (liquid chromatography) [principally and technically] Please give...
/1/hydrocarbons What is the formal oxidation state of carbon in CH4? 2/polyatomic anion What is the...
When aqueous silver nitrate and aqueous sodium phosphate are combined in one flask, will a precipitate...
Item 9 Part A *please only answer if you have a strong orgo background Draw the...
What is the energy per mole of photons with a wavelength of 307.1 nm? (c=3.00×108 m/s,...
A student places a 72.0 gram sample of metal at an initial temperature of 100.˚C in...
Calculate the pH of a solution obtained by mixing 25.0 ml of 0.02 M HCl and...
please answer all 7-11 7. Which is not true for enzymes: A. The active site is...
a balloon is filled with 25.7g of o2. the gas is at stp. calculate the volume...
How to calculate limiting reagent and percent yield? 4-methylcyclohexanol --> 4-methylcyclohexene I used 23 mL 4-methylcyclohexanol...
A sodium hydroxide solution that contains 59.2 grams of NaOH per L of solution has a...
A component is composed of 0.08610 moles of platinum and 0.08480 moles of silver. Determine total...
Phosphoric acid (H3PO4) is a triprotic acid with the following pKa values: pKa1 = 2.15 pKa2...
Calculate the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol...
When equal volumes of 1.0 M solutions of barium hydroxide and hydrochloric acid are mixed, and...
Phosphorus pentachloride gas decomposes to form phosphorus trichloride gas and chlorine gas. What is the equilibrium...
Consider the types of intermolecular forces we have covered (Van der Waals/dispersion forces, dipole-dipole forces, and...
a) If your titration solution is 0.409 M in NaOH, and the endpoint occues at 13.00...
Design a seperation scheme for the following cations: Al3+, Ba2+, Cu2+, Mn2+
A) In proteins often a gly amino acid can be successfully substitute for a val amino...
Use the following cell to answer the questions: Cr / Cr3+ (1.00 M) // Ni2+ (1.00...
1) The last two visible line observed in the Balmer series are of the wavelength 434.0...
Which of the following statements is incorrect? a. The set of quantum numbers n = 4,...
A solution of oleic acid has a concentration of 3.50 x 10-4 M. The following operations...
What does the pH of the final solution after titration tell you about the products present?
In your own words given a description of these terms: Chemical equilibrium Rate of reaction Catalyst
Instead of simply taking an initial and final temperature, in this lab you will measure temperature...
1) (a)Which will have greater absorbance as measured by a spectrometer: weak ice tea or strong...
On April 16, 1947, in Texas City, Texas, two cargo ships, the Grandcamp and the High...
3. The Ni-NTA protocol for this week differs from that of week 2 in that a...
Use the Henderson- Hasselbalch equation to calculate the pH of each solution. a. a solution that...
Consider the reaction of A to form B: 2A(g)⇌B(g)Kc=1.4×10−5 (at 298 K) A reaction mixture at...
Carry out a Hammett correlation for the reaction of substituted benzoic acids with diazophenylamine . in...
We are solutions made and the only one I did not keep was Solution A Pure...
A moon rock collected by a U.S. Apollo mission is estimated to be 4.20 billion years...
Draw the lewis structure for SbF4 +
A 0.5L of a solution is prepared by dissolving 115.5g of NaF in it. The molecular...
how many moles of NaOH are present in 12.5mL of .210 M NaOH?
How many moles of iron atoms are in 5.5 mol of Fe2O3?
Identify what is wrong with each electron configuration and write the correct ground state (or lowest...
In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of...
True-false: Heterogeneous phase transformations require more undercooling than homogeneous transformations. explain your answer
‹
1
2
...
39
40
41
42
43
44
45
...
124
125
›
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
Ask a Question
ADVERTISEMENT
Active Questions
Commercial hose connectors used for watering and irrigation are sold in variety of sizes and shapes....
asked 4 minutes ago
Compute the fourier series. -3 (-2 < x < -1) x (-1 ≤ x ≤ 1) 3...
asked 16 minutes ago
1). Professor Turkle believes that students are wrong to think that a “multitasking learning environment” will...
asked 19 minutes ago
Most people in the United States today tend to end up in a social stratum superior...
asked 45 minutes ago
Why is it important to have filter paper in a beaker during chromatography
asked 45 minutes ago
Examining your image in a convex mirror whose radius of curvature is 25.8 cm , you...
asked 48 minutes ago
What are the best references of Electric Motors Drive Systems for practicing ? ( 3-phase &...
asked 52 minutes ago
Magnesium, an alkaline earth metal reacts with water producing hydrogen gas. If one decides to collect...
asked 54 minutes ago
1- What are the stages of the product life cycle? How does the stage of the...
asked 1 hour ago
Defining racism: The R = P + P formulation How would you define racism? Do you...
asked 1 hour ago
Investment Analysis and Portfolio Management Case Study #1 – Single Professional Client Fact Finder: Name: Jennifer...
asked 1 hour ago
Determine the exact measure(s) of the angle x, where 0</x</2pi. 21/2sin 2x + 3 = 4...
asked 1 hour ago