Write a balanced equation: K2S2O3 + I2 -------> K2S4O6 + KI

Q: CH3COOCH2CH3   counting the atoms

A:

Q: 1. 2. 3. Pb(NO3)2 _Cl₂ + C3H6+ + ______K₂CrO4 --> KCI + KI --> _0₂ --> PbCrO4 + ____I₂ _CO₂ + H₂O…

A:

Q: Consider a 5.00kg bag of sugar C12H22O11. Calculate the mass of carbon contained in that sugar

A: Given: Mass of sugar = 5.00 Kg = 5000 g Formula of sugar = C12H22O11 Molar mass of sugar = 342.3…

Q: The mass of black copper oxide in grams resulting from the thermal disintegration of J319 grams of…

A: Consider the given balanced equation as;             Mass of copper sulfate (CUSO4) = 319 g…

Q: Calculate the number of W atoms present in a 27.40 g sample of 47.70% pure tungsten ore.

A:

Q: A cereal contains 11.0 grams of sucrose (C12H22O11) per 60.0 grams of cereal How many grams of…

A:

Q: 8 KCIO3 + C12H22O11 → 8 KCI + 11 H2O + 12 CO2

A: We have to tell about reactants in this question .

Q: What is the empirical formula for C4H1002? O C2H50 O CHO O C2H40 O CH20 CHO2

A: the empirical formula of C4H10O2 is

Q: A cereal contains 11.0 grams of sucrose (c12H22O11) per 60.0 grams of cereal. How many grams of…

A: Given, mass of sucrose in 60 g of cereal is = 11.0 g            moles of sucrose needed to consume =…

Q: 1. Are the following equations balanced or unbalanced? 2Fe + 02 Fe203 2Na + 2HCI → H2 + 2NACI 2Na +…

A:

Q: Which of the following are nonelectrolytes? (Several choices may be correct.) O H2SO4 O HC2H3O2…

A: Electrolyte : electrolyte is substance when dissolve into polar solvents like water then separate…

Q: b) _ H2SO4(aq) + _ Sr(OH)2() →

A:

Q: So for the question below, I have the answer worked out from class but I don't understand certain…

A: Since you have asked multiple questions, we will solve the first  part of the question for you. If…

Q: Identify the principle component(s) of the essential oil Ground Rosemary. Determine the chemical and…

A: Ground Rosemary essential oil is an essential oil which is extracted from rosemary.  The main…

Q: 3BC13 + 3NH4C1

A: Boron chloride is treated with Ammonium chloride in Chloro Benzene solvent to get…

Q: Balance the equationNa1s2 + H2O1l2 ¡ NaOH1aq2 + H21g2

A:

Q: A cereal contains 11.0 | grams of sucrose (C12H22O11) per 60.0 grams of cereal How many grams of…

A: Determination of moles of sucrose as; Mass of sucrose = 11.0 g Molar mass of sucrose = 342.3 g/mol…

Q: Organic chemistry:What does a percentage yield of 55.16 and percentage recovery of 181.30g mean .I…

A: Percentage yields and percentage recovery are two different things that are used to indicate the…

Q: Daite 25 Compounds (oswmatre t aroonatict alpate) ueith lorgeet and alzo grue yer chemical whift…

A: if shielded low chemical shift value . if Deshielded high chemical shift value

Q: Why is it better to use rank abundance curves graphs rather than calculate H’?

A: #use rank abundance curves -                  A rank abundance curve or Whittaker plot is a chart…

Q: 2 NazS203 (aq) + I2 (aq) → Na2S4O6 (aq) + 2 Nal (aq)

A: Given reaction:  2 Na2 S2 O3 (aq)  + I2 (aq)  ---------->  Na2 S4 O6 (aq)  +  2 NaI (aq)

Q: How many grams of Fe can be produced from 20.0 grams of Fe2O3 and 20.0 grams of CO?

A: Ferric oxide reacts with carbon monoxide to form iron and carbon dioxide. Write the complete…

Q: Give the chemical formula for copper (II) nitride Select one: a. Cu3N2 b. Cu2N c. Cu2N3

A: The symbol of Copper (II) is Cu having +2 charge. The symbol of nitride is N having -3 charge. Cu+2…

Q: A cereal contains 11.0 grams of sucrose (C₁₂H₂₂O₁₁) per 60.0 grams of cereal . How many grams of…

A: Moles of sucrose is 0.0424  Grams of cereals that contains 0.0424 moles =?

Q: How many atoms are in one molecule of capsaicin, C18H27NO3

A: It is defined as " a chemical formula that gives the total number of  atoms of each constituent…

Q: Sucrose (C12H22O11), commonly known as “table sugar”, is a carbohydrate formed from the combination…

A:

Q: OH Na2Cr207 H20, CH3CO2H Drawing

A: Na2Cr2O7 is a strong oxidising agent which oxidises 2° alcohol to ketones.

Q: Calculate the number of nitrogen atoms in 25.0 micrograms of aspartame, C14H18N2O5. 2.56 x1016 atoms…

A:

Q: Products must equal the same number of atoms on the reactant side of the equation in order to…

A: We have been asked the given statement is true or false

Q: 2al(s) + cr2o3(aq) > al2o3(aq) + 2cr2(s)

A: The given chemical reaction, 2Al(s) + Cr2O3(aq) -------> Al2O3(aq) + 2Cr(s)

Q: CO2 + _O2 → b C3H8 + _H2O a C d The chemical in the pink box is a...

A: Applying concept of balancing chemical reaction.

Q: Co S04 504 Ba Soy 2504 Na 2504

A: As I can see that all the five examples you asked are sulphates. The solubility of sulphates in…

Q: How do you call the part in the colling curve with constant composition? O isobar O isomer O…

A: Answer - The correct option is (C) isopleth Explanation - According to the question - A cooling…

Q: What type of chemical reaction is 1K3PO4(aq)+3AgNO3(aq)=1AgPO4(s)+3KNO3(aq)

A:

Q: .......... is the smallest chemical compounds found in crude oil in terms of molecular weight. O gas…

A: Crude oil is a compostion of hydrocarbons.

Q: C12H22011 + O2

A: Sucrose reacts with oxygen to form carbon dioxide and water. In the balanced chemical reaction, the…

Q: [1] LDA, THF,-78°C [2]

A:

Q: OH POCI3 EtzN OH

A: Given,

Q: What are the molecular masses of the following pharmaceuticals? (a) C33H35FN;O5 (atorvastatin,…

A:

Q: 4) Pb + FeSO4 → PBSO4 + Fe 5) CaCO3 → Ca0 + CO2 6) P4+ 3 02 → 2 P203

A: The solution is as follows:

Q: Give a test that can be used to differentiate chemically between butter and cooking oil?

A: Cooking oil is an unsaturated hydrocarbon and butter is a saturated hydrocarbon.

Q: Agl Fe3(PO4)2 > A93PO4 Fel2 +

A: Given :-  AgI + Fe3(PO4)2 → Ag3PO4 + FeI2  To balance :-  Given equation with appropriate…

Q: he steroid contains only C, H and O; combustion analysis of a 14.765 gram sample yields 43.257 g CO2…

A:

Q: Calculate the number of carbon atoms in 1.27 gg of table sugar, C12H22O11C12H22O11.

A: Number of moles is given by the ratio of mass of the substance to that of the molar substance.

Q: Nutritional tables give the potassium content of a standardapple (about 3 apples/lb) as 159 mg. How…

A: The objective of the question is to calculate the grams of potassium in 3.25 Kg of apples. Given:…

Q: Crude acetanilide = 2.1 grams Pure acetanilide = 1.6 grams 1. What is the percentage yield? 2. What…

A: Given that -  Mass of Crude acetanilide = 2.1 grams  Mass of Pure acetanilide = 1.6 grams    Then,…

Q: You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in…

A: 1) From the given mass of iron, calculate it is present in how many grams of heme. 2) Hemoglobin has…

Q: 2 points 29. 27. OH CH3 CH3 H3C 2 points 28. OH 30. CH3

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.