(C12H,Cl402, molar mass 322.0 g/mol), is a potent poison. The average lethal dose in humans is estimated to be 3.0 x 10 mg per kg of body weight. (a) How many grams constitute a lethal dose for a 91-kg individual? (b) How many molecules of TCDD does this corresnond to?

Q: What mass in grams of CO2 is evolved in the complete decomposition of a 2.300-g sample that is 38.0%…

A:

Q: What is the molar mass of glucose, C6H12O6?

A: Molar mass is the mass of 1 mole of any substance. It’s unit is g/mol. It can be obtained by adding…

Q: 2. How many grams of NH3 will be produced from 25.7 moles N2?

A: NH3 is produced from N2 and H2 by haber's process. As shown, this reaction is showing that 2 moles…

Q: Methylhydrazine, N2H3CH31l2, is used with the oxidizer dinitrogen tetroxide, N2O41l2, to power the…

A: Methylhydrazine, N2H3CH3 (l), is reacted with dinitrogen tetroxide, N2O4(l), to produce N2, CO2, and…

Q: Calculate the abundance of combustion C2H2 if combustion is the result of half a mole of CO2 Mall…

A:

Q: 53: Human cells obtain energy from a reaction called cellular respiration. Balance the skeletal…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: What is the mass percentage of C in caffeine, C18H10N4O2

A: The mass percentage is calculated by the formula, mass%=mass of elementmass of compound×100

Q: Is the decomposition of CuSO4· 5 H2O a physical or a chemical change? Why?

A: The copper sulfate penthydrate dehydrates to form the clear, anhydrous copper sulfate.

Q: The single largest use of phosphoric acid is in the production of fertilizer. How many grams of…

A: We will get stoichiometry of the reaction to get the answer

Q: How many grams of nitrogen are present in a 0.25 g sample of adrenaline, a hormone secreted into the…

A:

Q: Calculate the energy given off if 75.5 g of NH3 is reacted with O2.

A:

Q: (a) When the metallic element sodium combines with thenonmetallic element bromine, Br2(l), what is…

A: a)When the metallic element sodium combines with thenon-metallic element bromine, Br2(l), the…

Q: What mass in grams of CO, is evolved in the com- plete decomposition of a 2.300-g sample that is…

A:

Q: What mass of carbon dioxide is produced when 1.0 gallons of gasoline is combusted? The approximate…

A: Gasoline gallon equivalent (GGE) or gasoline-equivalent gallon (GEG) is the amount of alternative…

Q: How many grams of iron, molar mass 55.85 g/mol, will be consumed during the formation of 12.51 grams…

A: given :- mass of Fe2O3 = 12.51 g  molar mass of Fe = 55.85 g/mol  To calculate :-  mass of Fe

Q: 10. Identify the organic compound and balance its combustion. 02

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

Q: If 1.33 mol of PbS is heated in air, what amount of O2 is required for complete reaction? What…

A:

Q: Explain  question 2 what is the true percentage of water in BaCl2•2H2O?

A: Because water has a molar mass of 18.015 g/mol, it follows that 2×18.015 g of water for every…

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

A: Interpretation- To determine the mass percent of oxygen in the copound when carbohydrate formed from…

Q: If there are 6.2x1022 molecules of calcium carbide, CaC2, what mass of acetylene (C2H2) can be…

A: The solution of above question is-

Q: TCDD, also called dioxin (C12H4Cl4O2, molar mass 322.0 g/mol), is a potent poison. The average…

A:

Q: What, specifically, is CaCl2?

A: Chemical formula: The formula that bears the symbols of the elements that make a compound along with…

Q: What is the mass of fish, in kilograms, that one would have to consume to obtain a fatal dose of…

A: The mass of fish, in kilograms and pounds has to be given,

Q: Given the following equation: Na20 + H2O ---> 2 NaOH, How many grams of NaOH is produced from 1.20 x…

A:

Q: A typical frostless refrigerator uses 655 kWh of energy per year in the form of electricity. Suppose…

A: Consider that coal contain two elements that is carbon and sulfur. Amount of sulfur present in the…

Q: What is the mass percentage of C in caffeine, C₈H₁₀N₄O₂?

A: The concentration of an element in a compound or mixture is represented using mass percent. The mass…

Q: Pentaerythritol tetranitrate (abbreviated PETN, chemical formula C5H8N4O12) is an explosive material…

A: The explosion of PETN can be represented by:…

Q: Question attached

A: Mole: it is defined as the ratio of mass to the molar mass.…

Q: 7. A human needs about 120. grams of glucose per day. How many 6 CO2 + 6 H20 > C6H12O6 + 6 O2 grams…

A:

Q: A mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate.…

A: Given : weight of SiO2 = 1.05 g Weight of cellulose = 0.69 g Weight of calcium carbonate = 1.82 g

Q: Calculate the mass percent of carbon in glucose (c6h12o6)

A: Applying concept of mass percentage Mass percentage of element = [ (molar mass of element/molar mass…

Q: If 8.6 grams of a certain fertilizer is found to contain 1.12 grams of phosphorus as PzOs, what is…

A: Given the mass of fertilizer = 8.6 g Given the mass of P in form of P2O5 = 1.12 g In N-P-K…

Q: What do you mean by “aliquot” and “dilution”?

A: In inorganic chemistry, while titration these terms, i.e. aliquot and dilutions are generally used.…

Q: The concentration of gold in seawater is 0.0027 ug/L. What mass of gold (in kg) is present in the…

A: Given: The concentration of gold in seawater = 0.0027 ug/L. Volume =  3.23 x 1011  km3  To…

Q: What is the mass percentage of C in caffeine, CsH1oN4O2? Provide an answer to two decimal places.

A: Mass percentage of Carbon in Caffeine is 6.18%

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

A: Calculate mass %  of hydrogen in Sucrose ?

Q: 6. A 2.250 g sample of a dicarboxylic acid was burned in an excess of oxygen ar yielded 4.548 g CO2…

A:

Q: what is the mass percentage of C in hydrochlorothiazide, C7H8ClN3O4S2?

A: Mass percentage=Mass of particular speciesTotal massx100Hydrochlorothiazide molecular…

Q: In the 1980s, there was an international agreement to de-stroy all stockpiles of mustard gas,…

A: The balanced equation can be given as follows:

Q: What is the mass percentage of C in codeine, C18H21NO3?

A:

Q: 4) mu نن to NaOEL, ELOH 7 H30* → ?

A: This is name reaction knoevenagel reaction...

Q: How much energy is mass of PC13 is 137. 4 PC13(g) → P4(s) O 1.68 × 103 kJ O 1.20 x 103 kJ 7.89 x 102…

A: Given that : Mass of PCl3 = 545g Molar mass of PCl3 = 137.32g/mol Reaction = 4PCl3(g)  --->…

Q: A major component of honey is fructose (C6H12O6) with a molar mass of 180.16 g/mol. A tablespoon…

A: Given : Moles of fructose to be consumed = 0.17  Since molar mass of fructose = 180.16 g/mol Hence…

Q: How many moles of glucose, C6H12O6, can be "burned" biologically when 10.0 mol of oxygen is…

A:

Q: Balance the following equation by filling the gaps with appropriate numbers. CSHB 02 H2O

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product…

Q: What mass of hydrogen peroxide (H202) must decompose to produce (oxygen and) 0.77 g of water?

A:

Q: whats the mass of lioh do we need to keep 3 astronauts and a chimp alive for 7 days in space assume…

A: No. Of days to stay = 7 days  No. Of Astronaut= 3 Amount of CO2 released per astronaut per day = 540…

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

A: Combustion is exothermic process...

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".