Aresearcher raises the temperature from 56.8 to 69.6 "C and finds that the rate of the reaction doubles. What was the activation energy (in kilaloules) for this reaction? (R- 8.3145 J/molK). 6123 1780 050.91 968.7 652 104

Q: Suppose you mixed/combined calcium oxide and water. How will you be able to separate it afterwards?

A:

Q: Oil and water do not mix with each other. But when we add oil into water, oil floats over the water.…

A: Oil do not mix with water as oil is non polar and water is polar molecule and polar dissolve in…

Q: Please don't provide handwriting solution

A: Explained Below:Explanation:When using the method of successive approximation to solve an equation…

Q: preted by a chemical ra(n) _compound always combine in proportions. A(n) mixture is made of two or…

A: The solution of the given problem is as given below:

Q: 3. If a student had access to a balance for this procedure, they would also be asked to weigh each…

A: • % Composition of A in mixture = Mass of AMass of Mixture x 100Given,Mass of Iron = 2.85g.Mass of…

Q: A chemist fills a reaction vessel with 7.21 atm nitrogen (N,) gas, 6.92 atm hydrogen (H,) gas, and…

A: Given  Temperature = 25°C = 298°K The formation values are taken from the table given.

Q: Hydrogen gas and nitrogen gas react form ammonia gas. what volume of ammonia would be produced by…

A: The given reaction is between hydrogen gas and nitrogen gas to give ammonia gas. The volume of…

Q: What is the mass, in grams, of 28.66 mL of acetone? Express your answer using four significant…

A: To calculate the mass of a substance, you need to know its density. The density of acetone…

Q: What is the molarity of a solution prepared by dissolving 245.1 grams of Mg3(PO4)2, in enough water…

A: Given data, Mass = 245.1 g Volume = 1.8 L To calculate the molarity.

Q: Please don't provide handwritten solution .... Determine the volume of aluminum metal (d=2.702…

A: The objective of this question is to find the volume of aluminum that has the same mass as a given…

Q: the molar mass of acetic acid is 102.09 g/mol and has a density of 1.08 g/mL. what is the volume

A: Given -> Molar mass of acetic acid= 102.09 g/mole Density= 1.08 g/ml

Q: please please well explained answer 4 or more sentences in length make them Clear and accurate…

A: If I were to distinguish between two unknown bottles of medicine based on their physical and…

Q: Sucrose or table sugar has the formula C12H22O11. What is the mass of 1.00 x 10²⁰ molecules of…

A: Mole can be defined as a standard unit for measuring large quantities of very small entitles such as…

Q: I am extremely bad at math and I need help understanding how to do unit conversions. I have these…

A: Thank you for the question. We’ll answer the first question since the exact one wasn’t specified.…

Q: If 12.87 mL of a salt solution weighs 13.357 g, what is the density of the salt solution?

A: The relation between mass, volume and density is as follows : Density = mass/volume

Q: A volume of 25.00 mL of the original solution was diluted to a total volume of 100.0 mL and then…

A: If we take a definite amount of solution and then dilute it with by adding of water the mole of…

Q: suppose you fake a deep breath, and your lungs fill with a volume of aur equal to 2.2L. Wgat is the…

A: Density is the ratio of mass and volume of a given substance. It measures the tightness of packing…

Q: Part A Measure and record the masses of all the metal strips you set out in front of the test tubes.

A: 1. molar mass of Magnesium is24.305 g/mol. 2. Zinc mass number of 65.39 g/mol. 3. Copper atomic mass…

Q: Which of the following mixture is NOT a solution? Milk Pepsi seawater O Fruit salad O Air

A: We should first have an idea of what a solution is. A solution is nothing but a homogeneous mixture…

Q: Imagine you are working in a lab, and you want to prepare a solution of cobalt(II) chloride. You…

A: Given the mass of unknown hydrate of cobalt(II) chloride, CoCl2.xH2O = 1.0096 g mass of CoCl2(s)…

Q: TWO agueous solutjons of BaloH and MgBra are mixed. write Out whet major chemical speces will e…

A: This is an example of double displacement reaction.

Q: A chemist has a 19.50g sample of drinking alcohol (ethyl alcohol). what is the volume ogf the…

A: The relationship between mass and volume is given below.

Q: 4. How do you distinguish a. Chemical properties from physical properties b. Distillation from…

A:

Q: A chemist has a sample of hydrated alum powder KAI(SO,), it weighs 3.200 grams. She heats it…

A: The amount of KAl(SO4)2 originally present is equal to the amount of anhydrous compound i.e. 1.741…

Q: After performing precipitation gra weighed the crucible with the wei of 23.2125 g, then 23.1136 g,…

A:

Q: Concentrated acetic acid is 18.4 M; whereas white vinegar is 0.778 M acetic acid. How much…

A: Given information concentration of concentrated acetic acid, M1 = 18.4 M Volume of concentrated…

Q: these are questions about this experimentt(This experiment will involve determining the overall…

A: 1. Calculate the overall composition of the alloy:The initial masses of aluminum and copper are…

Q: list of 5 acids and 5 bases found

A: The acids are the compounds that give hydrogen ions in the solution and bases are the compounds that…

Q: 1. A mixture (shown below) contains the following components: (1) salt, (2) water, and (3) gasoline.…

A: We are given a mixture of three components i.e salt + water + gasoline.

Q: these are questions about this experimentt(This experiment will involve determining the overall…

A: Step 1:Step 2: Step 3: Step 4:

Q: The gasoline tank of an automobile contains 49.0 kg of gasoline. The gasoline combines with 196 kg…

A: Please find your solution below : According to Law of conservation of mass, total mass of a system…

Q: 1. HNO,„H,SO, 2. СH, CІ, AICI,

A: The first step reaction is the nitration of benzene : Nitration happens when one (or more) of the…

Q: List the steps required to separate a mixture of salt and sand? (how to isolate a pure solid form of…

A: There are various method for separating each components of a solid-solid mixture. Here we have to…

Q: 5. A vessel contains 4670 mL of bromine, whose density is 3.10 g/mL. What is the mass of the bromine…

A: Volume of benzene = 4670 mlDensity of benzene = 3.10 g/mlWe have to find mass of benzene.

Q: 6. Which of the following is a pure substance? a. Diamond b. Salt solution Soap d. Steel c.

A: Since we only answer one question at a time, we'll answer the first one. Please resubmit the…

Q: A chemistry student weighs out 0.0690 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: Given: Mass of HBrO = 0.0690 g. And concentration of NaOH = 0.1700 M

Q: A sample of zinc sulfide having a mass of 3.04 g was analyzed and found to contain 1.00 g of sulfur,…

A:

Q: The vapor pressure of liquid propanol, C3H,OH, is 100 mm Hg at 326 K. A sample of C3H,OH is placed…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Valuable minerals (chemicals) can be obtained from ores, which are natually occuring mixtures. One…

A: Given : Mass percent of magnetite in ore = 38 % Mass percent of iron in magnetite = 72.4 % And mass…

Q: Question 1 Which of the following statements below is NOT TRUE about silver nitrate. O It can be…

A:

Q: Natural gas is odorless; to alert people to gas leaks, the gas company inserts an additive that has…

A: The speed of the gas molecule is inversely proportional to the mass of the gas molecule. The…