grams of hydrogen gas in this reaction. What is their percent yield of hydrogen gas? If the student gets over 100%, that is okay

Q: A chemist measures the amount of oxygen gas produced during an experiment. He finds that 6.63 g of…

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Q: What is the total volume of gaseous products formed when 14.5 liters of ammonia react completely…

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Q: Gaseous methane (CH4) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide (CO₂)…

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Q: How many molecules of carbon monoxide, CO,  are there in 7.59 moles of carbon monoxide?

A: One mole of any substance has 6.023*e+23 molecules. It is also called Avagadro number

Q: A reaction is carried out in the laboratory and the percent yield is calculated to be 67.0%. The…

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Q: YOUR TASK: • Setup dimensional analysis to solve t problems. For help, check out this guio Cancel…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: Experiment 11: Decomposing Baking Soda 7. A student collects the following data when decomposing an…

A: The decomposition reaction involves the breaking of a larger molecule into smaller molecular units.…

Q: An unknown amount of acetylene gas occupies 12.40 mL. When the amount of this gas is changed to 0.57…

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Q: How much bauxite is required? (It takes 2.1 kg of crude bauxite to produce 1.0 kg of aluminum…

A: Answer: In this question we have to find out the mass of Al that can be produced from Aluminum…

Q: Dimensional analysis & conversions. If you need scientific notation in you answer, copy this for the…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. thus,

Q: This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar):…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: The mass of sulfuric acid is 42.2 g.The mass of sodium hydroxide is 11. g.To find the minimum mass…

Q: A chemist adds 0.50 L of a 1.2 mol/L aluminum chloride (AICI, solution to a reaction flask.…

A: Given, volume of solution = 0.50 L Concentration of aluminium chloride = 1.2 mol/L

Q: Question 9 A researcher is using 5.43 x1023 molecules of chlorine gas (Cl2) in an experiment. How…

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Q: A student in your class states that 9 molecules of water is the same quantity a 9 moles of water. O…

A: Number of molecules = Number of moles x Avogadro number Avogadro number = 6.0224 x 1023

Q: If you mix 80.01 grams of sodium bicarbonate with 85.54 grams of hydrogen acetate how much carbon…

A: Recall the reaction between sodium bicarbonate and hydrogen acetate as follows CH3COOH +NaHCO3 →…

Q: A chemist measures the amount of nitrogen gas produced during an experiment. He finds that 6.6 g of…

A: Given,  Mass of nitrogen gas produced during an experiment is 6.6 g.  The number of moles of…

Q: A compound contains iron and bromine. A sample of the compound contains 6.371 g of iron and 10.991 g…

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Q: How many sig figs in this number? 1.50 x 10 5 O 1 O 2 O 3 O 4 O 5 6 0 7 O 8

A: Given number is :  1.50 x 10-5  Number of significant figures in 1.50 x 10-5 = ?

Q: How many moles of BF3 molecules are there in (1.45x10^3) grams of BF3? Enter your answer in…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: YOUR TASK: • Setup dimensional analysis to solve the problems. For help, check out this guide: . KEN…

A: 1 mole of a substance equals to 6.023 x 1023 molecules.

Q: How many grams of hydrogen are in 10.45 moles of C4H8? (The molar mass is not needed for this…

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Q: tra A Gaseous methane (CH) will react with gaseous oxygen (O,) to produce gaseous carbon dioxide…

A: The balanced chemical reaction is written below.CH4 (g) + 2O2 (g) → CO2 (g) +  2H2O (g)According to…

Q: Write a balanced equation for the reaction described, using the smallest possible integer…

A: • We need to write a balanced chemical equation for mercury (II) oxide undergoing a chemical change…

Q: A chemist determines by measurements that 0.0400 moles of iodine solid participate in a chemical…

A: Given, moles of solid iodine (I2) = 0.0400 mol mass of solid iodine (I2) = ? Note:  molar mass of…

Q: Acetylene (C₂H₂) gas is often used in welding torches because of the very high heat produced when it…

A: The balanced chemical equation for the combustion of acetylene can be written as:2 mol of acetylene…

Q: 5.95 g of potassium chlorate is reacted with 1.91 g sulfuric acid to form chloric acid and potassium…

A: Limiting reagent is the reagent which controls the reaction. When the amount of limiting reagent is…

Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: 1.75 x 1025 selenium atoms contains ____ moles of selenium. Report your answer to 3 s.f. (hint: this…

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Q: a small amount of marble chips (CaCO3) are placed inside a flask and weighed (as seen in #1 above).…

A: From the balance equation we can calculate it .

Q: During an accident, the air bag inflates due to the decomposition reaction of sodium azide (NaN3).…

A: When NaN3 is heated, it decomposes to give solid sodium and nitrogen gas. NaN3→ 2Na(s)+3N2(g)

Q: Aluminium has a density of 2.70 g/cm. How many moles of aluminum are in a 13.2 cm block of the metal…

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Q: Una masa de mercurio ocupa 0.750 L Qué volumen ocuparia una masa igual de etanol? La densidad del…

A: Note - Since you have asked multiple question, according to our policy, we are supposed to solve…

Q: How many moles of water are in a snowflake weighing 5.0 X 105 g ? How many of these snowflakes would…

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Q: What is the molar mass of the following compound: C1H3P2

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 1. Solve and choose the correct answer from the given choices: a. How many atoms of tin are found in…

A: 1. We have to calculate the number of atoms present in 3.5 moles of tin, Sn. We know that 1 mole of…

Q: 2. Briefly explain why it is essential that none of the yeast comes into contact with the H₂O2…

A: H2O2 should come into contact with yeast before the stoppers are firmly placed as the oxygen…

Q: An unknown compound has the following chemical formula: N 03 where x stands for a whole number.…

A: Given,The formula of the compound is:NxO3moles of nitrogen = 7.5 molmoles of oxygen = 11.42 mol

Q: My Chemistry professor was going over conversions from moles today and put the question up of how…

A: Here we are required to find the number of carbon atom present in 500mg of C6H8O6

Q: A student is in the lab and mixes 6.71 grams of nitric acid with 7.82 grams of zinc. The student…

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Q: Carbon dioxide gas reacts with dihydrogen monoxide, producing carbon tetrahydride gas and oxygen…

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Q: What unit should be on the bottom of the fraction in the dimensional analysis?

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Q: A student performs this experiment and determines that 1.12 grams of CO2 was lost, but based on…

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Q: Can't figure out Moles of hydrogen gas produced (mol)  I've received multiple answers (i.e., 7.686…

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: A chemist measures the amount of nitrogen gas produced during an experiment. She finds that 34.5 g…

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Q: How many moles of BF3 molecules are there in (1.45x10^3) grams of BF3? Enter your answer in…

A: Given, mass of BF3 = 1.45 × 103 g moles of BF3 molecules = ? Note; molar mass of BF3 = 67.81 g/mol

Q: In order to test the claim, your friend heats 5.0 g of CaCO3 strongly for 10 minutes over a Bunsen…

A: CaCO3 is a carbonate of calcium that undergoes decomposition upon heating to give CaO along with the…

Q: Which line on the graph above would represent the limiting reactant and which line on the graph…

A: The balanced chemical equation for the combustion of ethane can be written as follows:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.