Consider the following reaction: Na₂CO3 + CaCl₂2.2H₂O- When 30.00 grams of CaCl₂ + 2H₂O was reacted with stoichiometric quantity of Na₂CO3, 5.50 grams of CaCO3 were 2 obtained. What is the percent yield of the reaction? 25.4% 50.8% 53.8% 26.9% CaCO3 + 2 NaCl + -2H₂0

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

A:

Q: Which of the following is not a characteristic property of a sample? O magnetism O melting point O…

A: A characteristic property is used for the identification of a sample based on its physical or…

Q: Reagents required to carry out the following transformation are OH Select one: O A. joso, iNaHSO B.…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: Hi was wondering how to solve number 4

A: Pentane is a hydrocarbon. The equations for the complete and incomplete reactions are written in the…

Q: Reagents required to carry out the following transformation are он HO Select one: O A. i)RCO3H…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: i 1. 2. H₂, Ni NH₂ H*

A: Ketones are when condensed with amines to form imines. It is an acid catalyzed reaction.

Q: 3) What is the relationship between the molecules shown? (Same molecule, enantiomers, diastereomers,…

A: Dear student since it is a multiple subparts questions according to guidelines here I am solving…

Q: QUESTION 19 When [S] = KM. vo = (Vmax). A. 0.5 x [S] В. Км OC. 0.75 x [S] D. 0.5 O E. kcat/KM

A: D) 0.5 Michaelis Menton equation for Enzyme kinetic is written as ;     V0   = (Vmax[S])/(Km + [S])…

Q: How many squares are in this 2 x 2 grid (Figure 1)? Note that the figure link lets you know that a…

A: Given: Figure showing 2 x2 grid

Q: :O: 0:0 Н. H H EN. Q

A: Curved arrows indicate the flow of electrons. The tail of the curved arrow is placed at the source…

Q: Which of these statements is FALSE about the mole? O a. 1 mole is equal to 6.022 x 10 23…

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

Q: O fnd pint gooup y 2- O soj O s0 3 O find pint goeaup af pint goeonp af 2- O find pint googe y purf

A:

Q: 11. What is the formula used for dilutions?

A: Dilution is a process of adding deionised water to decrease the concentration of given solution.

Q: O fnd print

A:

Q: d-ons Help Accessibility Last edit was 5 hours ago I UA 三1 ^三 ニ三 三、三 Arial 10 4. 5 2 some grills…

A: As all reaction process described above are result in production of fire. In chemical reaction the…

Q: Me NH Me Me Me Me

A:

Q: Which answers?

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: Knew heat of respectively. Standard entropy at 25°C (cal 51,10 and 31,21, respectively. Question 2:…

A: To determine the Kc and Kp for the reaction, S(s) + O2(g) ⇌SO2(g)-       1 M           0.6 M-…

Q: 11 - 4NH3 + 3Ca(CIO)2 – 2N2 + 6H2O + 3CACI2 In the given redox reaction, which element is oxidized?

A: The reactions in which one species is oxidized and other species is reduced are known as redox…

Q: type

A: Condensation reactions are those reactions in which an atom or group of atoms is omitted from a…

Q: can you type the answe because i cant read your hand writing

A: Mitigation the impact of ocean acidification on the great barrier reef.

Q: Answers 1-10

A:

Q: OH

A: the given reaction is dehydration reaction and to proceed this reaction concentrated sulfuric acid…

Q: 1ml = 1cm3

A: Given: 1ml=1cm3    To find: 1 cm3 =?

Q: se solve for questions 1-8 using th

A: Answer 1: Mass of potassium bicarbonate is obtained by subtracting the mass of evaporating dish from…

Q: ELEMENTAL CHEMISTRY Tell me what? 2of2 Ag (()

A: Metals are the electropositive element which can easily donate electrons. Metals are  lustreous,…

Q: о Predict the ¹H NMR integration ratio for the following structure. A) 1. ЗН II. 1 H III. 2 н IV. 3…

A:

Q: In 1 kL there are 1000 O L O mL O CL O ML

A: The unit conversion can be done by multiplying or dividing the given units by appropriate numbers.…

Q: Cl: narge to e rmal charg Chec

A: Formal charge is the charge which is assigned of an atom  by considering that electrons are equally…

Q: The concentrations of K* in water were measured with atomic absorption spectroscopy (AAS) and atomic…

A: The t-value, or t-score, is a ratio of the difference between the mean of the two sample sets and…

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: A chemist working as a safety inspector find an unmarked bottle in a lab cabinet.

A: Given : Volume of liquid = 0.502 L  Mass of liquid = 469 g

Q: Question 7 of 26 Temperature does not depend on size or type of object Select the correct response:…

A:

Q: Tell me some Trivia and fun facts about chemistry (chemistry laboratory)

A: Chemistry is that part of science which is highly fascinating . It has so many theories and…

Q: 4) Write down the relationships your derived above as mathematical equations m = mass (g) AT =…

A: From Experiment-1, mass(m) is inversely proportional to change in temperature(∆T) when heat is…

Q: dont understand how you get the 48 grams?

A:

Q: NH2 H. Spell out the full name of the compound. Submit Request Answer Provide Feedback DPearson

A: The question is based on the IUPAC naming of the given organic compound. We have to systematically…

Q: . Why are chemicals properties important? 2. How does natter differ?

A: Answer - Chemicals properties - A chemical property is any of a material's properties that becomes…

Q: CH3

A: Newman projection helps to show stereochemistry of alkane ,in whch front and back carbon is by point…

Q: Question 13 Which of the following is an example of a homogenous mixture? O a chocolate chip cookie…

A:

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".