-
This is a free writing on how chemistry quantitative analysis relates to real life. needed resources will be provided.
$30.00
Chemistry
Answered
-
I need help with college level general chemistry lab Heat of vaporization lab, I have some done and an entire VSPER lab asap. Due tonight at 11:30
$15.00
Chemistry
Waiting for answer
-
please see the attached file
$20.00
Chemistry
Waiting for answer
-
Could you please help me with my argumentative writng assignment? it is due by 11:59pm
$10.00
Chemistry
Waiting for answer
-
I want it by saturday 9 p.m . the sources should be peer reviewed and at least 5 . this paper has to be plagiarized free I have few sources already for this paper that I can give . PLEASE CITE PROPER
$40.00
Chemistry
Answered
-
What is the empirical formula for a compound that is 33.36% calcium, 26.69% sulfur, and 40.00% oxygen?
$10.00
Chemistry
Waiting for answer
-
The concentration of the aqueous sucrose (C12H22O11) solution is 2.00% sucrose by mass. What is the molarity of this solution? Assume a density of 1.02 g/mL.
$10.00
Chemistry
Waiting for answer
-
The pressure of air in a 2.25 L container is 1.20 atm. What is the new pressure if the sample is transferred to a 6.50 L container? Temperature is constant.
$10.00
Chemistry
Waiting for answer
-
plss help i have to pass thistomorrow
$10.00
Chemistry
Waiting for answer
-
I need help coming up with a research question for my IA (Internal Assessment) for chemistry. Also, it can only done through a database, as I cannot perform an experiment at home.
$10.00
Chemistry
Waiting for answer
-
Calculate the temperature change when: 10.0 kg of water loses 232 kJ of heat.
$10.00
Chemistry
Waiting for answer
-
During a practical session, a good 2nd year Inorganic I student prepared a good quality alum double salt with the general formula, M2SO4.M’2(SO4)3.24H2O, where M is +1 and M’ is +3 cations. This was c
$10.00
Chemistry
Waiting for answer
-
The equilibrium partial pressure of water vapor in contact with a certain silica gel on which water is adsorbed is, at 25°C, as follows: Partial pressure of water, mmHg 0 2.14 4.74 7.13 9.05 10.9 12.6
$10.00
Chemistry
Waiting for answer
-
read about costing systems and ratio and trend analysis. Applying the concepts in that you read about, pick a Company that you are familiar with and discuss the following: - The industry the Co
$10.00
Chemistry
Answered
-
PLEASE HELP!!! Ariana and Alissa performed the synthesis of Ag2SO4. They measured a known mass of AgNO3, dissolved the salt in water and added this solution to an excess of aqueous K2SO4. They filte
$10.00
Chemistry
Waiting for answer
-
200.0ml of a .800 M solution of sodium phosphate is reacted with excess lead acetate as shown below. How many grams of lead phosphate could be potentially be formed? Show your work. 2 Na 3 PO 4 (aq)
$10.00
Chemistry
Waiting for answer
-
How does radon's radioactive decay cause lung cancer?
$10.00
Chemistry
Waiting for answer
-
If you put in 40 g K2CrO4 at 60°C and then cool it to 20°C, with no crystals forming, what type of solution is this?
$10.00
Chemistry
Waiting for answer
-
Need isotope notation for both
$10.00
Chemistry
Waiting for answer
-
25.0 liters of a gas are captured at 25.0 o C. What volume will the gas occupy at 50.0 o C?
$10.00
Chemistry
Waiting for answer
-
A sample of nitrogen occupies a volume of 600mL at 20 C. What volume will it occupy at STP?(P constant)
$10.00
Chemistry
Waiting for answer
-
Help with organic chem problem posted, please
$30.00
Chemistry
Waiting for answer
-
if 4.10 grams of chromium is heated with9.30 grams of chlorine what mass of chromium(III) chloride will be produced
$10.00
Chemistry
Waiting for answer
-
How many moles of sodium chloride could be produced? How many grams of sodium chloride could be produced? How many grams of sodium chloride were produced? What is the percent yield of sodium chloride?
$10.00
Chemistry
Waiting for answer
-
Sebanyak 7.282 g plumbum (II) nitrat telah dipanaskan dengan kuat dan terurai kepada plumbum (II) oksida, gas nitrogen dioksida dan oksigen. Hitungkan jisim plumbun (II) oksida yang terhasil
$10.00
Chemistry
Waiting for answer
-
When a process is exothermic, why would the temperature increase if it is releasing energy?
$10.00
Chemistry
Waiting for answer
-
H2 (g) + I2 (g) ⇌ 2HI (g) At 400. K for the reaction above, Kp = 62.5. (a) If 0.40 mol of HI are introduced into a 1.0 L flask and heated to 400. K, calculate the pressure of HI (g) before any rea
$10.00
Chemistry
Waiting for answer
-
What is the formula pentaiodine trinitride? what is the formula titanium chloride? what is the formula Beryllium Fluoride? what is the formula sulfur tribomide? what is the formula lithium nitrate? wh
$10.00
Chemistry
Waiting for answer
-
Write a balanced redox reaction for the oxidation of chalcocite [(Cu2S) (s)] by O2 (g) to form Cu2+ (aq) and SO42- (aq).
$10.00
Chemistry
Waiting for answer
-
Need help with mass spectrometry
$50.00
Chemistry
Waiting for answer
-
Complete the following transformation, indicating the structures of the reagents or the conditions
$10.00
Chemistry
Waiting for answer
-
I need a 6 page research paper on breast cancer but it has to have chemistry-focused points. The medicines used to treat breast cancer; I might suggest choosing one particular medication (or class of
$25.00
Chemistry
Waiting for answer
-
Can you please help me?
$10.00
Chemistry
Waiting for answer
-
Hey help please
$10.00
Chemistry
Waiting for answer
-
Plsease read the info in attached document and then I can answer your questions
$40.00
Chemistry
Waiting for answer
-
Hello can i please ask you if you can write a research paper . the document attached has all the info !
$40.00
Chemistry
Waiting for answer
-
make sure its in APA format 5 sources at least 3 sources should be peer reviewed and 4th and 5th can be any google link
$40.00
Chemistry
Answered
-
Define the number of electrons on the outer shell of the atoms in the following elements: - a) 13 Al 2e 8e … - b) 17 Cl 2e 8e … - c) 20 Ca 2e 8e 8e … 3. Look at the periodic table. How many electron s
$10.00
Chemistry
Waiting for answer
-
Please help
$10.00
Chemistry
Waiting for answer
-
REFER TO ATTACHED FILE FOR THE QUESTION
$10.00
Chemistry
Answered
-
Edit question 11. Consider solution of carbon disulphide with dimethoxymethane at 35.2 ºC. Vapor pressure (in torr) for carbon disulphide, referred to as component 1, is given as P1=514.5⋅x1 (1.4967x2
$20.00
Chemistry
Waiting for answer
-
A) WHICH CURVE IS SHOWING A FASTER REACTION HOW DO YOU KNOW? EXPLAIN IN 2 SENTENCES OR LESS. B) DRAW LINES IN FOR CURVE A TO SHOW WHAT THE Ea would be for the forwards and reverse reactions
$10.00
Chemistry
Waiting for answer
-
. Given the following heats of formation. Calculate the heat of combustion of each compound in kJ mole-1. The product in each case will be CO2(g) and H2O(l). (a) ethane, C2H6(g), -107 kJ mole-1 (b)
$10.00
Chemistry
Waiting for answer
-
You are required to treat the plant tissue culture with N-(2-Chloro-4-pyridyl)-N'-phenylurea (4-CPPU) at 1µg/L. Prepare a 1000X stock solution for 4-CPPU. List down the detailed steps and reagents nee
$10.00
Chemistry
Waiting for answer
-
Give the reaction preparation of butyllithium
$10.00
Chemistry
Waiting for answer
-
Synthesis reaction of glycerol-3-phosphate from glucose and oxidation of glycerol to pyruvate. Energy yield of the process.
$10.00
Chemistry
Waiting for answer
-
What factor(s) influence the level of acidity of a solution? What factor(s) influence the level of conductivity of a solution?
$10.00
Chemistry
Waiting for answer
-
I need help with this lab ASAP
$30.00
Chemistry
Waiting for answer
-
questions below
$10.00
Chemistry
Waiting for answer
-
A gas mixture consisting of hydrogen and carbon dioxide has a volume of 137.373 cm³ at 1.438 °C and 0.924 atm. The mixture is cooled to - 200 °C and the carbon dioxide solidifies. The hydrogen is rem
$10.00
Chemistry
Waiting for answer
