JustAAA
Home
Questions
Share
Post a Question (with Answer)
Coins
Ask a Question
Log In
Sign Up
Home
/
Chemistry Questions
Search
Chemistry Questions
A production facility heats various equipment using a network of heated air and water vapor lines....
What are the [H3O+] and the pH of a propanoic acid—propanoate buffer that consists of 0.36...
A student measures the solvent height on a TLC plate as 11.5cm. Spot A was measured...
Consider mixture C, which will cause the net reaction to proceed in reverse. Concentration (M)initial:change:equilibrium:[XY]0.200+x0.200+x←net⇌[X]0.300−x0.300−x+[Y]0.300−x0.300−x The...
Can UV/VIS spectrophotometry be used to absolutely determine the identity of a substance? Explain
Part A: What volume of 0.100 M HCl is required for the complete neutralization of 1.50...
You are hard at work separating diethyl ether and toluene by simple distillation. Your lab partner...
if 40.70ml of standard 0.3173 m KOH reacts with 65.50ml of acetic acid what is the...
The pH of blood plasma is 7.40. Assuming the principal buffer system is HCO3-/H2CO3, calculate the...
Part A Classify the following reactions as precipitation reactions, oxidation-reduction reactions, or acid-base reactions. Drag each...
You purchased a 12 M concentrated solution of hydrochloric acid from Fisher Scientific. Explain how you...
capasaicin the compount that gives hot taste in chili peppers has the molecular formula of C18H27NO3...
Me2SO complexes with Fe(III) via Fe-O bonds but with Pt(II) via Pt-S bonds--explain why.
Consider the following hypothetical reaction: A + 3B ⇄ 2C + D A titration was performed...
Write balanced net ionic equations for each of following reactions: a) Dissolving solid Fe(OH)3 in hydrochloric...
12. Which of the following undergoes the most rapid nitration when treated with nitric acid in...
In yeast, ethanol is produced from glucose under anaerobic conditions. What is the maximum amount of...
The maximum amount of product D that can be produced from the following reaction is 55.75...
A beaker with 185 mL of an acetic acid buffer with a pH of 5.000 is...
In a titration experiment, 26.5 mL of 0.681 M HCOOH neutralizes 39.1 mL of Ba(OH)2. What...
The average human body contains 5.40 L of blood with a Fe2+ concentration of 2.70×10−5 M...
a) What is the pH of 0.10 M NaH2PO4? Ka2 = 6.2 x 10-8 b) What...
So, I'm confused about finding E cell value Please explain me ! For example, Mn(s) ∣...
The limiting reactant and the non-limiting reactant in the post-equivalence region in the titration are sodium...
Rate=K[NO2]^2[Cl2] By what factor does the rate change if the following alterations occur? a. [NO2] Tripled...
Consider the following system at equilibrium: NO(g) + SO3(g) NO2(g) + SO2(g) Indicate the following change....
Calculate the pH of a solution prepared by mixing 500.0 mL of 0.300 M NaOH (Kb...
Consider the following system at equilibrium CH4(g) + 2H2O(g) ↔ CO2(g) + 4H2(g). Suppose the concentration...
Q1: Convert 23.5 g Ti to moles Q2: We need 0.254 moles of Iron (III) chloride...
Using your chemistry textbook as a reference, briefly explain what is meant by the terms "oxidation"...
a) Calculate the pH of a 0.22-M acetic acid solution. Ka (acetic acid) = 1.8 ×...
1.What is the oxidation number of Mn in the following coordination compound? Li[Mn(NH3)2Br4] Select one: a....
An aqueous solution of HC3H5O3 is prepared by dissolving 0.1 moles of lactic acid, HC3H5O3, in...
Determination of the Heat of Vaproization of Water 1) If air in a sealed flask at...
Consider the following two-step mechanism for a reaction: NO2(g)+Cl2(g)→ClNO2(g)+Cl(g)Slow NO2(g)+Cl(g)→ClNO2(g)Fast Part A What is the overall...
A 75.00-mL portion of a solution that is 0.0460 M in HClO4 is treated with 150.00...
Zn+Ag2O = ZnO+Ag Write both half reactions in basic environment and find Eo from silver and...
Trichloroacetic acid, CCl3COOH, has an acid dissociation constant of 2.0 × 10-1 at 25 °C. Calculate...
An aqueous ammonium bromide solution has a pH of 5.56. Calculate the equilibrium concentration of ammonium...
A volume of 18.0 L contains a mixture of 0.250 mole N2 , 0.250 mole O2...
A chemist is given a sample of the CuSO4 hydrate and asked to determine the empirical...
Consider the titration of 25.00 mL of 0.300 M H3 PO4 with 0.300 M NaOH. 1.What...
When elemental silicon is reacted with aqueous sodium hydroxide and liquid water at high temperature, sodium...
. The concentration of chloride ions can be determined indirectly using atomic absorption spectroscopy. An excess...
substance is oxidized and which is reduced. 1. 2K+2H2O_2KOH+H2 2. 2mg+O2_2mgo 3. 2Na+2H2O_2NaoH+H2
assuming that in the hydrolysis step you have 1 mole of p-nitroacetanilide and 300 mL of...
can someone please briefly explain how chiral phase HPLC works?
what are the different situations when work is a certain value and then what would delta...
Soluble salts containing the ammonium ion (NH4+) can give acidic, neutral or basic solutions when dissolved...
An unknown with a boiling point of 178 C and an index of refraction of 1.4113...
b. You have at your disposition the following solutions: [I-] = 0.2M, [I-] = 0.15M, [I-]...
In making wine, glucose (C6H12O6) is fermented to produce ethanol (C2H5OH) and carbon dioxide (CO2), according...
If you were to take an IR of caffeine, what distinguishing peaks would you expect? Give...
a. What would you predict about the reactivity of potassium in hydrochloric acid compared to potassium...
What is the freezing point of radiator fluid prepared by mixing 1.00L of ethylene glycol (HOCH2CH2OH,...
Calculate the vapor pressure of a solution prepared by dissolving 13g of n-heptane (C7H16) in 87g...
Calculate the equilibrium constant, given the following information: [SO2]=3.0x10-3M; [O2]=3.5x10-3M; [SO3]=5.0x10-2M
Nitric oxide reacts rapidly with unstable nitrogen trioxide NO3 to form NO2 NO(g) + NO3(g) →...
You are designing a rocket propulsion vehicle using baking soda and vinegar. Vinegar is 5% v/v...
Suppose 1.87g of ammonium iodide is dissolved in 300.mL of a 45.0mM aqueous solution of potassium...
The problem statement, all variables and given/known data Group#1: Buffer pH = 4.00 Group#2: Buffer pH...
A 25.0 mL aliquot of concentated hydrochloric acid (11.7 M) is added to 175.00 mL of...
A solution of ethanol (d=0.795 g/mL) and water (H2O) is prepared by placing 30.0 mL of...
If you look at a reaction equation for an esterification reaction, you cannot tell where the...
If a polymer is prepared from 3.603 g of acrylic acid, and 2.25 mL of 8.0...
Discuss the effect of temperature change on the spontaneity of the following reactions at 1 atm:...
A powder contains FeSO4·7H2O (molar mass = 278.01 g/mol) among other components. A 2.710-g sample of...
Found in the gas phase the Be+3 cation has an energy level formula analogous to that...
Citric acid is a triprotic acidwith Ka values of 7.4 x 10-4, 1.7 x 10-5, and...
How many moles of NH3 are required in a 1.00L solution to create a buffer with...
1) If you had not dried the solid, would the calculated percent yield have been higher,...
1) Kb for NH3 is 1.8x10^-5. What is the pOH of a .20M aqueous solution of...
A 150 mL of 0.15 M NH3 is slowly added to 25 mL of 0.2 M...
Gaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and...
A 20.00-mL sample of formic acid (HCO2H) is titrated with a 0.100 M solution of NaOH....
In a constant-pressure calorimeter, 60.0 mL of 0.780 M H2SO4 was added to 60.0 mL of...
Each molecule of lycopene contains 40 atoms of carbon (plus other atoms). The mass percent of...
What is the key factor to make these phenomena occur, and explain your answer; 1. Thermal...
A 20.00-mL sample of formic acid (HCO2H) is titrated with a 0.100 M solution of NaOH....
HClO is a weak acid (Ka = 4.0 × 10–8) and so the salt NaClO acts...
‹
1
2
...
67
68
69
70
71
72
73
...
124
125
›
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
Ask a Question
ADVERTISEMENT
Active Questions
In a differential amplifier, the noninverting input is 3cos(600t + 45°) mV and the inverting input...
asked 1 minute ago
Write a function called isLowerCase that takes as a parameter a char and returns a boolean...
asked 5 minutes ago
Compare and contrast a “web service” and an SaaS solution within the context of cloud computing
asked 16 minutes ago
The vertical cross-section of a nuclear power plant's cooling tower is in the shape of a...
asked 29 minutes ago
Prove that there is no smallest element of Z and no largest element of Z.
asked 38 minutes ago
Determine the order of reactivity for (CH3)2CHCH2I, (CH3)3CI, and CH3CHiCH2CH3 reacting with : 1. CH3CH2O-K+ 2....
asked 47 minutes ago
Is working mom a subculture? Why is it a subculture or why is it not? describe...
asked 50 minutes ago
a. Write the separate function to delete the head node and tail node of a singly...
asked 53 minutes ago
What is the difference between the following computing forms? Mention only one difference for each of...
asked 56 minutes ago
For the following questions, please answer if they are True or False: 1)The use-case diagram is...
asked 1 hour ago
Can state or federal legislatures (Congress) vote to ban citizens who have concealed carry permits from...
asked 1 hour ago
Consider the 32-bit block: {1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0,...
asked 1 hour ago