QUESTION 3 Which of the following pairs of groups cannot form a hydrogen bond with each other (the proposed hydrogen bonds are indicated by the grey rectangle)? A BCD Oa A&D Ob.c OcB Oe A U= O - O -0-

Q: Sample ID NYC Tap Water Unknown A Unknown B Unknown C Unknown D

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Q: Which piece of equipment gives the lowest uncertainty   Question 15 options:   100 mL beaker   25…

A: There are different type of equipments which can be used to measure the volume of any liquid…

Q: Questions 11,12

A: In ionic bond transferring of electron between a metal and non metal occurs but in a…

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: The image below illustrate the complete separation. True or False? O True False

A: In the given image it is clear that there are three type of molecules: Red ones Blue ones And black…

Q: millimeters meters centimeters 96.1 12.6 61.5

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Q: An electric current of 155.0 mA flows for 42.0 minutes. Calculate the amount of electric charge…

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Q: Some insects, such as water striders, are able to walk on water. In one or two sentences, make and…

A: Water strider are very small insect with light body weight .  They can walk on water just because of…

Q: The rock that consist of one mineral called mineraloids. * True O False The earth's crust divided in…

A: Mineraloids are naturally occurring solids that are not crystalline in nature. They may look like a…

Q: Definetion of chemistry

A: Given Name of subject = Chemistry  Definition = ?

Q: questions8,9,10

A: Atoms are surrounded by electrons which revolve around nucleus. During bond formation, these…

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A: Step 1:Step 2: Step 3: Step 4:

Q: Is density a chemical or physical property? O Chemical Physical

A: Answer: In general properties of substance can be classified into following two parts: 1. chemical…

Q: IV. In each of the following reactions, provide the step(s) above the arrow that will allow you to…

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Q: 1.69*7.32

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Q: Pre-Lab Questions (continued) Complete the rules for determining significant figures after…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: N. CI

A: The given target imine can be formed by the reaction of propylamine and tetralone. Breaking of…

Q: Vhen reading off of a calibrated instrument or glassware, the last digit reported is always an…

A: To determine the accurate value of the sample or the data, calibrated instruments are used. A…

Q: Does standard deviation give a measure of precision or accuracy?

A: Interpretation - Does standard deviation give a mesure of precision or accuracy -      Introduction…

Q: An electric current of 30.10 A transports 120. µC of charge. Calculate the time this took. Be sure…

A: The charge transport in a unit of time is known as electric current.. The current is calculated by…

Q: Question 6 Indicate what is true when using a graduated cylinder to measure volume. Multiple answers…

A: the statement that is true when using a graduated cylinder to measure volume:

Q: there can only be one answer per question for 4 and 5 you put 2 answers per each

A: Aldehydes have -CHO group , ketones have C=O group , alcohols have OH group and carboxylic acids…

Q: Which of these have a balanced, neutral formula and correctly named compound? O a. Mg(NO3)2…

A: 1.  Nitrogen fluoride is the correct option because the nitrogen have the valecy 3 and flouride…

Q: how did you get 37.96%? i put the calculations on my calculator 30.43 / 14.01 / 80.04 * 100 and it…

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Q: 1) 2) 3) 4) 5) Li3PO4 + MgF₂ + P4 + RbNO3 + AgNO3 + NaOH → Li2CO3 → O2 → -P2O3 MgF₂ → LIOH + MgCO3 +…

A: The above given question are to balance the chemical equation.  Balancing of chemical equation…

Q: 86 g CCl4 Express your answer using two significant figures. ΑΣφ %3D

A: Consider the given information is as follows; Mass of CCl4 = 86 g Number of molecules = ?       We…

Q: A pure substance that is composed of only one type of atom is______.   Group of answer choices a…

A: The matter is described as any material that occupies space and has mass. The matter is further…

Q: When reviewing the atomic structure and ionic charges, which of the following statements is FALSE?…

A: atoms have three subatomic particles electron proton and neutron where proton and neutron are reside…

Q: 0.17 M NaCl Express your answer to two decimal places. pH =

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Q: What are the Safety Measures/ Precautions in the Science laboratory and classroom while doing a…

A: In this question we need to answer what are the precautions or safety measures that must be kept in…

Q: Round each number as indicated  a) 8.3158 (3 SF) b) 25225 (3 SF)

A: General rules for the significant figures are: 1) All non-zero numbers are significant. 2) Zeros…

Q: Scientific method on lemon battery. show the problem, observation, hypothesis,experiment, and…

A: The experiment on lemon battery is whether the citric acid fruits like lemon produce electricity

Q: D Question 4 Consider an object that is in the shape of a cube with a mass of 45.8 grams. If the…

A: Answer:Density of an object is the ratio of its mass and volume as shown below:Here:

Q: Use the data set below to answer the following question. This is a fictitious data set, so no units…

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Q: the density of silver is 10.5 g/cm what is the density in kg/m3

A: 1 Kg = 103 g 1 g = 10-3 Kg 1 L = 103 mL 1 L = 103 cm3 1 L = 10-3 m3 10-3 m3 = 103 cm3 10-6 m3 = 1…

Q: I got the answer wrong, this was the reply "It looks like your answer is off by a factor of…

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Q: O

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: 4. F-1 (longhand) 5. K*1 (longhand)

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Q: Without using a calculator, decide which would give a significantly smaller value than 8.83 x 10-2,…

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Q: I am required to enter answers in each box provided for the question. The answer that was provided…

A: Using unit conversion formula, mass of sample can be determined.

Q: 234TH 226 8Ra + -> 90

A: we know , number of emitted alpha perticles=final mass -initial mass 4 number of emitted beta…

Q: Laboratory 2 Report Sheet-Lab 2 C. Conversion Factors for Length C.1 Metric factors Equality:…

A: A conversion factor is a fraction that equals one. Multiplying a quantity by a conversion factor…

Q: Two methods were used to measure the arsenic level (ppb) in drinking water. Quantity Mean arsenic…

A: First, we need to calculate the F value and T-value, and compare the standard deviations for the two…