Atomic charge Electron number Symbol Mass Proton Neutron number number number number ww ww 16 127 53 35 45 56 -3 238 92 80 +2 35BR*

Q: 4) ½N2(g) + 02(g)= NO2(g) Kc = 1.04 x 10 N2(g) + 202(g) =N204(g) Kc=7.42 x 1018 %3D Calculate Kc for…

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Q: mass

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Q: 9. If you pour 60 grams of KCl into 100 g of water at 70°C, and stir vigorously, which type of…

A: 9. Given information,   Mass of KCl = 60 g   Mass of water = 100 g   Temperature = 70oC

Q: solid disappears.

A: According to the given data the solid is soluble in liquid and we have to separate the two.There are…

Q: Automobiles are often implicated as contributors to global warming because they are a source of the…

A: From given  Miles driven by car per week = 100miles  Total week in a year = 52.14 so pounds of CO2…

Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.66 mL sample taken…

A: Given data,Volume of H2SO4=6.66mLVolume of water=50mLMolarity of NaOH=0.4643MVolume of NaOH=31.52mL

Q: what is Iheroale lalw ? kn He plec in dulute e so r hydrKLole a बन नेा ित्वरठण The following dala…

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Q: 10. Which of the following does not match the others? 168 (A) 67.2 3.88 1000 100 10 All, (M)/mol)…

A: ◆ Electronic Configuration is the distribution of electrons in the energy levels of the atom. The…

Q: What is the molarity of a solution prepared by dissolving 245.1 grams of Mg3(PO4)2, in enough water…

A: Given data, Mass = 245.1 g Volume = 1.8 L To calculate the molarity.

Q: 1. During the set-up of a distillation or a boiling point apparatus, the position of the bulb of the…

A: Solution - The process of distillation totally depends on temperature of liquids . That’s why…

Q: (b) 1.9-BBN 2. H₂O2, KOH

A: Given,The reaction:

Q: Lead II acetate and sodium sulfate Total molecular Total ionic Net ionic

A: The total ionic equation, is a chemical equation that shows all ions present in the chemical…

Q: Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts…

A: when aqueous nitric acid is fall with rain known as acid rain which is harmful to the environment.

Q: What is the mass of (9.00*10^0) number of water molecules ? Report your answer to 3 significant…

A: Given:  Number of water molecules = 9.00 × 100 molecules = 9 molecules  To calculate : Mass of water…

Q: How many grams of ammonium nitrate (NH4NO3) would you need to produce 1 kg of fertilizer that is 10%…

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Q: Determine the formula weight of caffeine, C₈H₁₀N₄O₂. Provide an answer to two decimal places.

A: The formula weight of caffeine can be calculated as follows:

Q: How many milimoles of Ca(NO3)2 contains 4.78 x10^22 formula units of Ca(NO3)2?

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: 1. Calculate the theoretical percentage of water for the following hydrates. (a) manganese(II)…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: When Kay added 30 g of hydrochloric acid (HCI) to 65 g of Zn, bubbles appeared and a white…

A: We know, when Zn reacts with HCl, it will produce ZnCl2 and H2 following the reaction  Zn + 2HCl…

Q: You wish to prepare 211 grams of 16.6 % Mg(CH3COO),. . You will need grams of magnesium acetate and…

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Q: The actual mass of a 144 Sm atom is 143.911995 amu. (Consult Appendix B for any needed reference…

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Q: Nitroglycerine is a shock-sensitive compound that decomposes as follows:  2 C3H5N3O9(l)     -->…

A: The mass of nitroglycerine is 10.0 kg which is equal to 10.0 × 103 kg. The number of moles of…

Q: (v) What was the mass of oxygen gas in the unknown mixture? (w) What was the mass of ethane gas in…

A: Given: An unknown mixture of ethane gas and oxygen gas =8.16 g

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: Write the correct formula of copper (II) sulfate pentahydrate.

A: We'll answer first question only since the question to be answered is not mentioned. Please resubmit…

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".