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Q: 7. Calculate the Mn, Mw and D for a polymer mixture sample comprising 2 g of polymer molecules…

A: Please find the attachment.

Q: 3. Describe air using the terms: mixture, atoms, and molecules.

A: A matter is any substance that has mass and volume. Air has mass and volume, hence it is a matter.

Q: K Maya Paniagua - RC Ch 10 HW.p X E The State of Nature & the Social The School District of Palm…

A:

Q: Peak A has a height of 172 mm and a width at half height of 14.7 mm. Peak B has a height of 85 mm…

A: Given :-  Height of Peak A = h = 172 mm  Width of Peak A at half height = w1/2 = 14.7 mm  Height of…

Q: One way to report pressure is pounds per square inch (lb/in2). These units may seem strange at…

A: GivenOne way to report pressure is pounds per square inch (lb/in²)To determine:Three other units for…

Q: convert 48.0g to volume of 02 (g)

A: Molar mass of O2 = 32.0 g/mol  1 mol gas = 22.4 L

Q: 8. Use these models of Molecules of Water to answer the questions in the boxes. How many atoms of…

A: The water molecule is formed by the combination of one oxygen atom and two hydrogen atoms as shown…

Q: Ascorbic acid (C6HsO6) is also known as Vitamin C. How many molecules of CgHsO6 does a Vitamin C…

A: In this question, we want to determine the Molecules of C6H8O6  How we can determine, you can see…

Q: Use the following information and answer the questions below: (Show all your work) Mr = 234.6936…

A:

Q: You are doing a lab on Charles Law and determining if the law is valid or not. However, you are…

A: Charles' law can be summarized like this: V1T1=V2T2

Q: tension of a ed by the group are docu ata for #s 1-12.

A: Given as,

Q: Explain your rationale for using the summative assessment (below) from the lesson plan on mixing…

A: The objective of the question is to explain the rationale for using a specific summative assessment…

Q: You were in the middle of a tropical rainforest and it is very humid in the environment. Do you have…

A: 22) Solution - According to the question - Above statement is - True    23) Solution - According to…

Q: Does mass alone determine weather an object will float or sink

A: Given: Mass alone can decide whether the object will sink or float.  TO FIND: The above statement is…

Q: Table 8.6 (report) Sample temperatre (C) Sample volume (mL) Sample temp in Kelvin (K) K' Value 1…

A: Hi there! The first part of this question is too complex to solve on this platform so we are…

Q: Choose the one correct or one incorrect statement regarding filtration:      gravity filtration…

A: the correct option is:

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Q: Calculate the pH of the following solutions prepared by: Part A Dissolving 4.7 g of lithium…

A: Dear student since you have posted multiple parts question, As per our company QnA guidelines We are…

Q: 67.52 g CF2C12 Express your answer to four significant figures and include the appropriate units. HẢ…

A: Mass of CF2Cl2, m = 67.52 g Molar mass of CF2Cl2, M = 120.9 g/mol

Q: Mary Calculate the volume in milliliters of a 0.995 mol/L calcium bromide solution that contains…

A: Given, Molarity of calcium bromide (CaBr2) solution = 0.995 mol/L Mass of calcium bromide (CaBr2) =…

Q: Solve the equation

A:

Q: mol stock solution of A chemist makes 0.670 L of mercury(1) chloride (Hg, Cl,) working solution by…

A: FOR DILUTION M1V1= M2V2 M1 = Initial molarity of solution, V1 = Initial volume of solution, M2=…

Q: A particular beer is 6.50 % ethanol by volume. If a single bottle of beer contains a total of 750.0…

A:

Q: Directions: Convert the following temperature scales. 1. 55 °C to K 2. 288 K to °C 3. 28 °C to OF 4.…

A: The different units of temperature are related to each other as; °F=95°C + 32…

Q: hen asked to record the buret reading shown below, a student wrote down a reading of 15.300 mL. mL…

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Q: Save Answer You are trying to determine the identity of an unknown compound using its melting point,…

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Q: What does STP stand for in chemistry? What are the values for each letter? Explain why STP is…

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A: Two numerical problems based on unit conversion, which are to be accomplished.

Q: How many GL are there in 4.82 x 1010 fl oz?

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: Ascorbic acid (C,HgO6) is also known as Vitamin C. How many molecules of CsH;O6 does a Vitamin C…

A: GivenAscorbic acid  C6H8O6Mass of ascorbic acid = 1000.0 mg1 mg = 10-3 g=0.001 gMass of ascorbic…

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Q: Why should the syringe be removed from the sensor when setting the initial volume for each trial?

A: Option C

Q: Determine the molar mass of CH OCH,.

A: We know that, molar mass of C=12 g mol-1 Molar mass of O=16 g mol-1 Molar mass of H = 1 g mol-1

Q: What is the molar mass of unknown Z, .0578g and 1.12 x10 -3moles.

A: Number of moles = Mass/Molar mass

Q: 11. To prepare for her college entrance exam, Jiheon is studying stoichiometry and tries to…

A: Recall the given reaction  Cu2S (s) + O2(g) ---> Cu2O (s) + SO2(g) Here we have to calculate mass…

Q: What is the mass percent of water in Ca(NO3)₂ 4 H₂O? Provide an answer to two decimal places.

A: Mass percent: it can be define as the mass of the component in one mole of the compound divided by…

Q: if you use tap water to dissolve a solid you can contaminate data true or false?

A: YES if we use tap water to dissolve a solid then we  can contaminate the data.

Q: Describe the differences between gravity and vacuum filtration

A: Please have a look on the solution:

Q: %23 H H CHs H-C-ć-H CH3 H-C-c-H HC=O НС—о н ОН Но H ČH,OH ČH,OH 2 CI CI CI H C = C C = C 6. нн H CI…

A: Answer: When two molecules have same molecular formula but different structural formula or spatial…

Q: Perform Grubb's Test for the following set of data. Make a conclusion to reject or retain the…

A: To Perform Grubb's test for the given data. Sample Weight in grams 1 1.1002 2 1.2358 3…

Q: Use the figure below (Figure F01-7-8) to answer this question. Temperature Anomaly (°C) O O 1.06 O…

A:

Q: What is the solubility of KCI at 80C 150 140 KI 130 120 110 100 NANO3 90 80 70 60 NHẠCI KCI NaCI 50…

A: The solubility chart given is as shown below. To Find : Solubility of KCl at 80 oC.

Q: Part C: Determination of the alcohol content of unknown liquor St tiend Volume (mL) Sample ТИШТИНА…

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Q: General Formula of Hydrate= Heating # 0 1 23 2 3 45 4 5 Empty Crucible (g) 15.5525 15.5391 15.5377…

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Q: QUESTION 1: How much KCl03reactant will be needed to produce 105.8g of tetraphosphorus decaoxide…

A:

Q: Below are 3 real life situations. Pick two (2) them and explain ALL the science involved in the…

A: Water boils at 1000C. For boiling water, energy is supplied in the form of heat. This energy…

Q: 2. Record the Data from the Lab CO2 Initial Level Prediction Final Level Results Regular Ice cube 6…

A: Ice can trap gas can be determined from experimental data.

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".