A Styrofoam cup was analyzed in a lab and found to contain 92% by mass carbon. How much carbon can be found in a stack of polystyrene cups with a total mass of 569 grams? 0618 grams O 520 grams 0456 grams O 535 grams 0575 grams

Q: Polychlorinated biphenyl (PCBs) are environmental contaminants composed of carbon, hydrogen, and…

A:

Q: You eat 160.0 g of glucose (a handful of M&M’s). If glucose, C6H12O6, reacts with oxygen gas to…

A: Mass of glucose = 160 g Molar mass of glucose = 180 g/mol Molar mass of carbon dioxide = 44 g/mol

Q: Consider the balanced reaction 8 A+ 3 B →7C+8 D. If 8.751 grams of B (MW = 46.44) are consumed, how…

A:

Q: The complete combustion of octane occurs according to the following balanced equation: 2 C3H18(1) +…

A: What additional product produced by the incomplete combustion ?

Q: The reaction between nitrogen and oxygen is given below: N2(g) + 2 O2(g) → 2 NO2(g) We therefore…

A: Answer:- This question is answered by using the simple concept of a chemical reaction. In the given…

Q: *** What amount (in mol) and what mass (in kg) of carbon dioxide are produced when 20 gallons…

A:

Q: Part A An iron ore sample contains Fe2O3 together with other substances. Reaction of the ore with CÓ…

A: Given, α Fe2O3 (s)  +  β CO (g)                     ϒ Fe (s)  +  δ CO2 (g)  Weight of Fe2O3 = 0.310…

Q: Data Table: Part 1 Chemical: NaCl2 Coq NasRa (aq) 13 CaCOH Coq 19 Na₂CO3 Caq K₂CO3(aq) NR NR White…

A:

Q: 19. The chemical equation for photosynthesis is _CO2 (g) + H₂O (1)→____C6H1206 (s) +_ (C6H12O6 is…

A: The given chemical equation for photosynthesis is CO2(g)+H2O(l)→C6H12O6(s)+O2(g). Amount of CO2…

Q: Carbon dioxide emissions associated with a one-night stay in a hotel room are calculated at 28.98 kg…

A: The dimensional analysis is the method in which the set of units is used to form the equation. In…

Q: Dynamite consists of nitroglycerine mixed with diatomaceous earth or cellulose. What is another name…

A: Dynamite consists of nitroglycerine mixed with diatomaceous earth or cellulose Another name of…

Q: Ethanol can be used as a fuel source in an alcohol lamp. The formula for ethanol is C2H5OH. Write…

A: Given , Ethanol is used as fuel source in alcohol lamp .

Q: Use the sample experimental data to calculate the mass of sample (BaCl2•xH2O) Mass of pan 15.110 g…

A: A question based on general chemistry that is to be accomplished.

Q: Part A An iron ore sample contains Fe2 O3 together with other substances. Reaction of the ore with…

A: To balance the equation we have to balance the number of each atom on both reactant and product…

Q: What are different properties of carbon?

A: Carbon is a non-metal belongs to group 14 in the periodic table. The atomic number of carbon is 6…

Q: When the reaction for making biodiesel occurs, two layers are formed: biodiesel and glycerol. In…

A: The reaction of higher fats/oil with sodium hydroxide in methanol solvent produces the biodiesel and…

Q: 7. A natural gas sample was analyzed to contain 84% (by volume) CH4, 10% C₂H6, 3% C3H8, and 3% N2.…

A:

Q: How many grams of iron (density = 7.87 g/mL) would occupy the same volume as 96.4 g of aluminum…

A: We know that : density, d = Mass, m/Volume, V  Or, d = m/V  Or, V = m/d ...(1)  In case of Al, m =…

Q: The refining of aluminum from Bauxite ore (which contains 50.% Al2O3 by mass) proceeds by the…

A: The number of moles of a species is calculated by the expression (1) in which n is the number of…

Q: Calculate the cost of one pound of nitrogen from a f

A: The objective of the question is to determine the cost of one pound of nitrogen from a fertilizer…

Q: 1. Sample A weighs 30.00 g and displaces 15.00 mL of water. Sample B weighs 20.00 g and displaces…

A: Density - It is the ratio of mass and volume.  Physical Properties - It is a characteristic of a…

Q: How can washing plastic in warm water before recycling actually put more carbon in the atmosphere? C…

A: Plastics are polymers, which do not vaporize or evaporate on heating instead they melt and are…

Q: C. Given the equation: 3Cu + 8HNO3 3Cu(NO3)2 + 2NO + 4H20 1. Calculate the number of grams of copper…

A: Given reaction is 3Cu + 8HNO3  →  3Cu(NO3)2 + 2NO + 4H2O Molar masses of reagents and products:…

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: A chemical reaction follows the law of conservation of mass. According to the law of conservation of…

Q: - 3. Using this data, calculate a value for Kc for the reaction, A. 2.06 x 104 B. 4.84 x 10-3 C.…

A:

Q: One year, a herd of cattle released 5.84 metric tons of CH4 (methane) into the atmosphere. How many…

A: The mass of methane released by cattle in the atmosphere in a year = 5.84 metric tons The mass of…

Q: chemist will use a sample of 30 g of ethanol (CH3CH2OH) in an experiment. In one to two sentences,…

A:

Q: A 10.5 g sample of lithium is reacted with 18.5 g of fluorine to form lithium fluoride: Li + F2 →…

A: Given, A 10.5 g sample of lithium is reacted with 18.5 g of fluorine to form lithium fluoride:Li +…

Q: All the fertilizers listed below contribute nitrogen to the soil. If all these fertilizers are sold…

A:

Q: How much carbon can be found in a stack of polystyrene cups with a total mass of 569 grams?

A: Given :- percent by mass of carbon = 92%                total mass = 569 g  To calculate :- mass of…

Q: Using the table provided, what is the enthalpy for the reaction shown below: 6H₂(g) + 4NO(g) + CH4…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: Consider the following reaction: Fe2+ (aq) + 2Cl¯ (aq) →→→→Fe(s) + Cl₂ (g) To make this reaction…

A:

Q: In the following equation for a chemical reaction, the notation (s), (I), or (g) indicates whether…

A: Reactants lie on left hand side of the arrow.  Products lie on the right hand side of the arrow. If…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.