How many gigayears are in a 2.050 x 1033 femtoseconds? (Assume 365 days per year.)

Q: An unknown pentahydrate salt is known to release water when heated according to the following…

A: Given: Mass crucible = 24.3365 g Mass crucible + hydrate = 29.6115 g Mass crucible + residue after…

Q: (a) If an automobile travels 225 mi with a gas mileage of 20.5mi/gal, how many kilograms of CO2 are…

A: The combustion equation for octane can be written as: Distance = 225 mi Mileage = 20.5 mi / gallon…

Q: A 25.0 mL aqueous solution of 1.32 M K₂SO4 is necessary for a particular reaction. How many grams of…

A: Molarity of substance is the number of moles present in one litre of solution.

Q: The balanced equation for the Haber Process is shown below. In this reaction, nitrogen and hydrogen…

A: Applying concept of moles to calculation.

Q: A cereal contains 11.0 grams of sucrose (C12H22011) per 60.0 grams of cereal. How many grams of…

A: Given :-  Mass of sucrose present in 60.0 g cereal = 11.0 grams  To calculate :-  Mass of cereal…

Q: 5. The energy in our bodies mainly comes from carbohydrates, which are broken down into simple…

A: Given unbalanced equation is  __C6H12O6(s) + __O2(g) ➔ __H2O(l) + __CO2(g) We need to balance the…

Q: What is the mole ratio of Mg to MgCh? Mg(s) + HC|(aq) -› MgCh(aq) + Ha(g)]

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Q: A suspension was prepared by mixing spherical gum grains with a density of 1.206 gcm-3 and a radius…

A: Equilibrium is a state where the forward and reverse rates of reaction are equal. In a chemical…

Q: Mn (s) + 2 CUCI (aq) --> 2 Cu (s) + MnCl2 How many grams of Cu will be produced by 2.9 moles of Mn?…

A: In the question, the given reaction is: Mn (s) + 2 CuCl (aq) --> 2 Cu (s) + MnCl2. The Cu…

Q: The reaction shown is used to produce electricity in a hydrogen fuel cell. Suppose a fuel cell…

A: The objective of this question is to determine the amount of water that can be produced from a given…

Q: 20. Sodium nitrite (NaNO₂) is often added to processed meat to enhance color and to protect against…

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: How many grams of NBR3 can be made from 2.22 x 10-2 moles of Br, ? N2 + 3 Br2 2 NB13 + 44.0 kJ The…

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Q: What was the percent of potassium chlorate in the mixture

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Q: Use the data below to detemmine the Molarity of KMnO4 to THREE decimal places. (MM sodium oxalate =…

A: Molarity of solution is defines as the number of moles of solute dissolved in per liter of solution…

Q: A www-awu.aleks.com/a O STATES OF MATTER Solving for a gaseous reactant 0/5 The great French chemist…

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Q: The hydrated salt, MY3-XH2O, was heated strongly in a crucible to remove all the water molecules of…

A: Mass of hydrated salt is equal to 35.57 – 30.29 g = 5.28 g. Mass of anhydrous salt is equal to 34.57…

Q: 13. Arizona was the site of a 400000 acre wildfire in June 2002. How much Carbon Dioxide was…

A: Explanation: First, we have to calculate the biomass the is burned. We can establish the following…

Q: Calculate the number of water, X,  of crystalization in an unknown sample, having a molar mass of…

A: Some ionic compound (salt) contains a water molecule in their crystal lattice structure. The water…

Q: Use 1 decimal point for all atomic masses. 82.1 g of Ni3C(s) are reacted with 1.80 g of H2(g) by the…

A: The reaction given is Ni3C(s) + 2H2(g) --> 3Ni(s) + CH4(g)  Since mass of Ni3C taken = 82.1 g And…

Q: A fungus that grows on peanuts produces a deadly toxin. When ingested in large amounts, this toxin…

A: ✓There are two types of fungus found in nature (a) Poisonous  (b) Beneficial

Q: the References to access important values if needed for this question. For the following reaction,…

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Q: 2. Consider a hydrated compound copper(II) sulfate pentahydrate, CuSO, 5H20: a. Calculate the…

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Q: 5. (Balance the equation) CuSO,.5H20> Cuso,+H20

A: A balanced chemical reaction equation has equal number of atoms and charges on both reactant and…

Q: Write a balanced chemical equation based on the following description: solid tetraphosphorus (P₄)…

A: The objective of the question is to write a balanced chemical equation for the reaction of solid…

Q: References Use the References to access important values if needed for this question. The reaction…

A: Given Chemical Reaction: 3 Fe2O3 + H2 --->  2 Fe2O3 + H2O  Mass of Fe2O3 = 58.1 g  Heat evolved =…

Q: C-H 30% КОн `CH2CH3 CN H,SO. HNO,

A: a. Potassium hydroxide also known as caustic potash. It is used in food items to maintain its pH and…

Q: 3. The atoms in these sugar molecules come from cO, and H,0, as shown in the following chemical…

A: 6CO2 + 6H2O --------> 6O2 + C6H12O6

Q: Balance chemical equation H2SO4+NaOH---->

A: The given Equation can be balanced as follows -

Q: Albuterol sulfate is a white crystalline powder that can be taken in a solid form or mixed into a…

A: % of C = 65.2 % = 65.2 g% of H = 8.86 %  = 8.86 g% of O = 20.0 % = 20 g% of N =  [100 - (65.2 + 8.86…

Q: Aspirin can be prepared from salicylic acid (C,H,O3 ), which has a molar mass of 138.12 g/mol, and…

A: Given: Mass of salicylic acid=3.01 g Moles of salicylic acid= 3.01138.12 g/mol=0.0218 mol The…

Q: Hydrogen is manufactured on an industrial scale by this sequence of reactions: CH, (2) + H,0 (g) =…

A: Answer: K = K1 × K2 is the overall equilibrium constant in terms of equilibrium constant K1 and K2.

Q: Classify the following reactions whether they are homogeneous or heterogeneous: 1- PbCl2 (s) 2NH3…

A: In a reaction, reactant and product both are present. There are many types of reaction…

Q: * 00 3. Alum [KAI(SO4)2XH20] is used in food preparation, dye fixation, and water purification. To…

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Q: Convert the following measurement. kg 2 4.7 × 10 g mol · L mol · dL

A: Since, 1 kg = 1000 g  kg = kilograms and g = gram  1 g = (1/1000) kg 1 g = 0.001 kg And, 1 L = 10 dL…

Q: [References] nelling salts," which are used to revive someone who has fainted, typically contain…

A: The question is based on the concept of Reaction Stoichiometry.   We have  to calculate the mass of…

Q: Home-Grown Example: Calculation of Mass-Related Concentrations (a) A solution is made by dissolving…

A: Given,(a) mass of sucrose ( C12H22O11 ) = 1.675 mgmass of water = 0.01091 g(b) mass of Fe2+ = 2.443…

Q: Greenhouse Gas Carbon dioxide is a greenhouse gas that is linked to global warming. It is released…

A: It is based on the concept of stoichiometry    Here we are required to find the mass of octane…

Q: 5. What volume of beer that is 6.0 % by volume alcohol contains 200. ml CH3CH,OH (ethyl alcohol)?

A: Given:Volume/Volume % = 6.0 %Volume of ethyl alcohol = 200.0 mL

Q: Kindly refer to the attached picture.

A: Given that density of gasoline = 0.692 g/ mL that means  the mass of 1 mL of gasoline is 0.692…

Q: Hydrogen peroxide, H 2 O 2 , is a colorless liquid. A concentrated solution of it is used as a…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: Hydrogen peroxide decomposes as shown below: 2 H2O2 → 2 H2O + O2 molar mass H2O2 = (34.0…

A: Hydrogen peroxide decomposes as shown below: 2 H2O2 → 2 H2O + O2 molar mass H2O2 = (34.0 g/mol) A…

Q: in a solution of Cu2SO4 is dipped a sheet of zinc 6.4g. After some time it is noticed that the zinc…

A: Reaction for Zn dipped in Cu2SO4 solution: Zn + Cu2SO4 →ZnSO4 + 2 Cu

Q: One way to analyze for the amount of phosphorus in a rock is to precipitate the phosphorus as…

A: Precipitate of phosphorus MgNH4PO4 is heated to turn Mg2P2O7. Mass of Mg2P2O7 will be obtained from…

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

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Q: 2) The approximate number of Calories C, that an animal needs each day is given by ? = 72?3⁄4 ,…

A: The approximate number of Calories C, that an animal needs each day = 72m3⁄4  cal…

Q: High-density lipoprotein (HDL) cholesterol is the "good" cholesterol because adequate levels reduce…

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Q: How much iron, in kg, would need

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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".