-
A flask contains 0.190 mol of liquid bromine,Br2, determine the number of bromine molecules present in the flask.
$10.00
Chemistry
Waiting for answer
-
A gas occupies 1.57 L at 1.00 atm. What will be the volume of this gas if the pressure becomes 3.00 atm?
$10.00
Chemistry
Waiting for answer
-
1. Which substance is a liquid at 25°C? 2. Which substance is a gas at 25°C? 3. Which three substances contain simple molecules?
$10.00
Chemistry
Waiting for answer
-
explain why 4-nitrobromobenzene 21 predominates in the product mixture over the 2-nitrobromobenzene 22
$10.00
Chemistry
Waiting for answer
-
C=5/9 (F−32) The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must b
$10.00
Chemistry
Waiting for answer
-
Analyze the assigned neurological disorder and prepare a report in a two- to three-page document. Evaluate the causes of stroke. Discuss the differences between transient ischemic attack and cerebrova
$30.00
Chemistry
Answered
-
Consider the following reaction: H2O(g) + CO(g) H2(g) + CO2(g) The equilibrium constant Kp for this reaction is 0.55 at 1023 K. (3 marks) (2 marks) (2 marks) (i) In a reaction vessel, water vapour and
$10.00
Chemistry
Waiting for answer
-
need help pls
$10.00
Chemistry
Waiting for answer
-
I would like if I can get help with this assignmen.
$10.00
Chemistry
Waiting for answer
-
How many grams of Nitric Acid (HNO3) will be produced if 414.0 g of NO2 reacts completely with 45.0 g water at STP?
$10.00
Chemistry
Waiting for answer
-
Thermodynamic.
$10.00
Chemistry
Waiting for answer
-
What happens when you add a proton to uranium
$10.00
Chemistry
Waiting for answer
-
If 15.0 g of H2 reacts with excess N2 according to the following equation what would the pressure of NH3 made be if it were trapped in 2.00 L at 35.0oC: N2 (g) + 3H2 (g) --> 2NH3 (g) (
$10.00
Chemistry
Waiting for answer
-
Put the title of your article, the date of the article ( remember it has to be dated 2021) ,direct link to your article, and the source of the article in the comment section below. Any comments withou
$10.00
Chemistry
Answered
-
Help with all questions attached on the document
$10.00
Chemistry
Waiting for answer
-
If 33.8 moles of hydrogen gas has a final volume of 3.46 L, then what is the initial volume of 5.22 moles of hydrogen gas? Assume constant pressure and temperature. Round your answer to three signif
$10.00
Chemistry
Waiting for answer
-
Use the information below to fill out the timeline attached. Use your notes and/or research the scientist responsible for the actions below. Insert the action and the scientist name into the boxes for
$10.00
Chemistry
Waiting for answer
-
Put the title of your article, the date of the article ( remember it has to be dated 2021) ,direct link to your article, and the source of the article
$10.00
Chemistry
Waiting for answer
-
Put the title of your article, the date of the article ( remember it has to be dated 2021) ,direct link to your article, and the source of the article
$10.00
Chemistry
Waiting for answer
-
new help with this fast
$10.00
Chemistry
Answered
-
new help with this fast
$10.00
Chemistry
Waiting for answer
-
which of the following is one part of a chemical formula for molecule
$10.00
Chemistry
Waiting for answer
-
Please answer multiple choice
$10.00
Chemistry
Waiting for answer
-
7) 2-ethylnonane 8) 4-ethyl-2,5-dimethyldecane 9) 2,3-diethylheptane 10) 2,4,6-trimethylundecane 11) 4-ethyl-7,7-dimethyldodecane 12) 3,5-diethyl-7-methyl-decane
$10.00
Chemistry
Waiting for answer
-
Discuss the coherent interaction between atoms and light using the Bloch vector formalism. Give an example for the experiment which can be described using the Bloch vector. ----- I'd also like to incl
$20.00
Chemistry
Answered
-
Explain the origin of the molecular potential within the Born-Oppenheimer approximation and discuss the vibrational and rotational structure of diatomic molecules.
$15.00
Chemistry
Answered
-
Which metal will replace lead in a single displacement reaction AND will be the fastest reaction? -Cr -Cd -Ca -Co -Cu
$10.00
Chemistry
Waiting for answer
-
2 step stoichiometry
$10.00
Chemistry
Waiting for answer
-
The average speed at which a nitrogen molecule effuseseffuses at 30 is 480m/s.The average speed at which aat which a butene molecule effuses at this same ttemperature should then be
$856.00
Chemistry
Waiting for answer
-
How many grams of magnesium are needed to react with 0.03 moles of hydrochloric acid?
$10.00
Chemistry
Waiting for answer
-
A sample consisting of 50. mL of 0.400 M solution of the acid, HClO4, is titrated with a 0.200 M solution of the base, LiOH. Write the balanced chemical reaction for neutralization reaction: Write th
$10.00
Chemistry
Waiting for answer
-
compare the solution of delayed neutron data. Discuss the transient results including the short-time behavior, asymptotic behavior, and Λ dependence of both. Λ (10−4,10−5, and 10−6 seconds).
$10.00
Chemistry
Waiting for answer
-
How much heat energy, in kJ, is required to change 25.7 g of liquid water at 73.9°C to steam at 143.2°C? To solve this you will need the information below.
$10.00
Chemistry
Waiting for answer
-
please finish result section. Make sure you test at least 2 plastics if you have access to samples for them.
$60.00
Chemistry
Waiting for answer
-
1. From 1 L of household bleach available, a. How much volume of 1:10 house hold bleach solution will you be able to prepare ? b. How much volume of water is needed? c. It has been mentioned earlier
$10.00
Chemistry
Waiting for answer
-
What's Chemical Changes?
$10.00
Chemistry
Waiting for answer
-
The average speed at which a nitrogen molecule effuses at 30.0 oC is 480 meters per second. The average speed at which a butene molecule (C4H8) effuses at this same temperature should then be.
$11.00
Chemistry
Waiting for answer
-
The average speed at which a nitrogen molecule effuses at 30.0 oC is 480 meters per second. The average speed at which a butene molecule (C4H8) effuses at this same temperature should then be.
$11.00
Chemistry
Waiting for answer
-
Hi, I need help with a making solutions lab because I was not there when we learned about this.
$10.00
Chemistry
Waiting for answer
-
A solution is prepared by mixing 5.00 g of acetic acid (HCH3CO2) with 0.250L of water. Calculate the molarity of the resulting solution.
$10.00
Chemistry
Waiting for answer
-
In a lab you react 4.3 mols of hydrogen gas with 2.3 mols of oxygen gas to form water. You collect 12g of water. What is the percentage yield? show steps.
$10.00
Chemistry
Waiting for answer
-
What is the pressure of 0.812 g of Neon gas in a 700.0 mL container at 256K?
$13.00
Chemistry
Waiting for answer
-
YOU ONLY HAVE 1 HOUR TO FINISH , PLEASE ONLY BRIEF ANSWERS !!!! cHECK THE PDF FILE !
$25.00
Chemistry
Waiting for answer
-
The following equation describes the titration of KHP with NaOH: HKC8H4O4 (aq) + NaOH (aq) → NaKC8H4O4 (aq) + H2O (ℓ)"KHP" If 0.573 g of KHP is used, how many moles of KHP are present? R
$10.00
Chemistry
Waiting for answer
-
What type of reaction would likely produce the most gas product at room temperature? Synthesis Decomp. Single Displacement None of the above are correct
$10.00
Chemistry
Waiting for answer
-
Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes;
$10.00
Chemistry
Waiting for answer
-
reactions. The term catalyst appears in nonscientific discussions to refer to something that provokes or speeds significant change or action. Consider this example from the 2006 Associated Press artic
$10.00
Chemistry
Waiting for answer
-
reactions. The term catalyst appears in nonscientific discussions to refer to something that provokes or speeds significant change or action. Consider this example from the 2006 Associated Press artic
$10.00
Chemistry
Waiting for answer
-
chemistry tutorial questions
$30.00
Chemistry
Waiting for answer
-
Solving tutorial questions
$10.00
Chemistry
Waiting for answer