The specific heat of silicon is 700J/kg/°C, how much energy is needed to raise a 14g of silicon by 30 °C A) 49 KJ B) 49 kcal C) 294 kcal D) 249 KJ TJAL At

Q: What type of Reaction is this? Al + Cu(SO4) ---> Al2(SO4)3 + Cu O Single Replacement O Double…

A: Introduction: There are various types of reactions in chemistry like substitution reaction,…

Q: 4. Predict the effect of temperature increase, (b) pressure decrease, (c) concentration increase of…

A: Temperature increase.  As reaction is endothermic so when we increase temperature then reaction want…

Q: This reaction was performed in the lab and found to release 471 kJ of heat. How many moles of NaCl…

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Q: The weight required to prepare 100 ml :of 1.3 N CaCI2 from solid CaCl2 is 5.5 g 7.2 g O 14.4 g 1.3 g…

A: The formula to find the amount of the substance that is required to prepare the specific…

Q: Determine the limiting reagent if 2.2g of Mg is reacted with 4.5L of Oxygen (Standard Temperature…

A: Given, 2Mg(s) + O2(g) -> 2MgO(s) Mass of Mg reacts = 2.2 g Volume of Oxygen gas reacts =4.5 L…

Q: How many moles are contained in each number of grams of fructose (C6H1206, molar mass 180.2 g/mol),…

A: 1 mole = 6.022×1023 [Avogadro's number]  The mass of 1 mole of molecules of any substance is known…

Q: Excess aluminum nitrate is mixed with 587.8 mL of sodium sulfate at a concentration of 0.308 mol/L.…

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Q: H2(g) + N2(g) NH3(g reaction name.

A: Ammonia is a chemical compound composed of nitrogen (N) and hydrogen (H) with the chemical formula…

Q: You add solute to a solution and notice that all the solute crystallizes. The original solution was…

A: Saturated solution: A saturated solution is a solution that contains the maximum amount of solute…

Q: What is the classification of the following reaction:   C3H8 + 5 O2 --> 3 CO2 + 4 H2O…

A: We have to classify of the following reaction: C3H8 + 5 O2 --> 3 CO2 + 4 H2O

Q: Name the reaction(s), draw and give the names of the reactants/products and state the conditions…

A: Complete oxidation of alcohol gives the acids as the products .

Q: Consider the following balanced reaction. How many moles of C3H7SH  are need to produce 0.224 moles…

A: The term number of moles is defined as the ratio of mass to the molar mass of the given compound.…

Q: How much heat is absorbed during production of 147 gg of NONO by the combination of nitrogen and…

A: Given thermochemical equation is  N2(g)+O2(g)→2NO(g), ΔH = + 43.0 kcal We need to find the amount of…

Q: What mass of O2 is required for the complete combustion of 7.12 g of C5H12 to CO2 and H2O? HInt:…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: Name hydrobenzion anhydrous FeCl3 acetone Equivalence n(mmol) 1 4.7 1.8 MW(g/mol) m(g) 214.26 162.21…

A: Stoichiometry table

Q: + CI 1) FeCl3 2) H₂O ?

A: The objective of this question is to determine the product of the reaction between iron(III)…

Q: * Question 27 What type of reaction is displayed below? HCI + NaOH NaCl + H20 A . synthesis double…

A: Given reaction is, HCl + NaOH --------> NaCl + H2O

Q: Sulfur trioxide dissolves in water to make sulfuric acid, H2SO4. Write a balanced chemical equation…

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Q: How much oxygen is required for composting 1kg of glucose (C6H12O6; molar mass 180g)as per…

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Q: 3295 kcal 13786.28 kJ 0.135 5.31 x 10 J kcal Incorrect

A: Given :-  3295 kcal  5.31 × 106 J  To convert :- 3295 kcal to kJ 5.31 × 106 J to kcal

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

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Q: Oxidant is one which is Oxidised in a reaction and Reductant is one which is reduced in a reaction.…

A: Given that,

Q: Use the following equation to answer the following question: 3C2H3O2H+Al(OH)3=Al(C2H3O2)3+3H2O You…

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Q: What type of reaction is this? C+Hs + O2 →_ H2O + CO: Synthesis Decomposition Combustion Single…

A: A chemical reaction is defined as a reaction in which two or more substances chemically react…

Q: Answer the following questions for the balanced reaction. CO2 (g)     +      2H2O(l)          -->…

A: balanced reactionCO2(g) + 2H2O(l) → CH4(g) +2O2g   ∆Hrxn = 213 KCal∵molar mass of CO2 = 44 g…

Q: Write the chemical equation for the reaction of ethanol with sodium metal

A: We have to write the reaction of ethanol with sodium metal .

Q: Mass of oleic acid (glyceryl trioleate)=3.978g Mass of soap (sodium oleate)=3.8954g Moles of Oleic…

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Q: Identify the Reaction Type: C 2H 4 + 302-2 CO 2 + 2 H 20 + Heat O Addition O Single Displacement O…

A: Since here the ethene molecule reacts with oxygen to give CO2 and H2O

Q: How many moles of NO2  would be required to produce 3.34 moles of HNO3 in the presence of exess…

A: Given data Number of moles of HNO3 = 3.34 moles Given reaction 3 NO2 (g) +H2O(I) → 2 HNO3 (g) +…

Q: The chemical reaction to form ammonia is: N₂(g) + 3H₂(g) → 2NH3(g) If there are 2 mole N₂ and 4 mole…

A: In the given reaction 1 mole of N2 is reacting with 3 moles of H2 to produce  2moles of NH3 and the…

Q: + CI 1) FeCl3 2) H₂O ?

A: The objective of the question is to determine the result of the reaction between Iron (III) chloride…

Q: Among the few plants capable of absorbing germanium and its compounds from the soil, the leader is…

A: The Ge content in the ginseng plant reaches 0.1 wt%. This implies that 0.1 g of Ge is present in 100…

Q: Write a balanced equation to represent the complete combustion of each of the following. (Use the…

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Q: molecules

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Q: Provide the name of the product (besides water) that is formed in the following reaction:

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Q: Which is limiting? Calculate the percent yield.  melting point was 115-122

A: The limiting reagent (or reactant) is the reagent that is completely consumed in the chemical…

Q: True or False: Nitrogen Oxide is present in automobile exhaust.

A: Nitrogen oxides, including NO and NO2, are produced as a result of combustion in a car engine. Pure…

Q: If 5.08 g of copper(II) oxide is reacted with excess hydrogen gas and 2.88 g of copper is collected,…

A: The mass of copper (II) oxide (CuO) is 5.08 g.The mass of copper (Cu) collected is 2.88 g.The…

Q: 3. Glucose (C6H12O6) is oxidized to produce carbon dioxide and water. 100 kg of glucose is oxidized.…

A: Limiting reagent: The reagent which is present in less amount. This reagent limit the reaction.…

Q: identity Zno F the reactant that is oxidized and the reactant → 2n + H₂ O

A: Oxidation:It is the process of losing the electrons and its oxidation state increases.Reduction:It…

Q: 4. Sugar cane is primarily used as a source of

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Q: What is the effective mass yield for the reaction shown? The density of ethyl L-lactate is 1.03…

A: We are given an organic synthesis reaction and we have to calculate the effective mass yield of it.

Q: Be sure to answer all parts.   How many moles are contained in each number of grams of fructose…

A: We have to calculate the number of moles of fructose in a given mass, Using the formula are…

Q: A solution contains 14 mg/L nitrate. What is the concentration of Nitrate Nitrogen present?

A: In this question we have to calculate the amount of Nitrogen present in 14mg of nitrate per liter.