Based on this information, what was the mass of the sample before and after heating? (Grams)

Q: When ammonia (NH) is allowed to flow past copper(II) oxide at a high temperature nitrogen gas (N) is…

A: The mass of ammonia gas is 12.3 g.The mass of CuO is 45.6 g.The balanced reaction is 2NH3(g) +…

Q: If 20g of Nitrogen gas and 7.5g of hydrogen gas react to form ammonia, how much ammonia is formed?

A: Given , mass of nitrogen =20 g mass of hydrogen = 7.5 g

Q: iron reacts with water to produce iron (iii) oxide and hydrogen. if 42.63 grams of iron (iii) oxide…

A: Weight of iron(3)oxide = 42.63 gm

Q: How many moles are in 1.05 x 1022 molecules of an unknown compound? Your Answer: Answer units

A: Here, we have to find the number of moles present in 1.05 × 1022 molecules of an unknown compound.

Q: What is the limiting reactant when 13.9 g of oxygen reacts with 33.7 g of calcium to produce calcium…

A: To find limiting reactant, • Convert the given mass of reactants to moles. • Divide the moles of…

Q: Question 24 How many grams F in 584.8 g Br2F?

A:

Q: Use the information given to you below to solve/calcualte the rest of the table. Please show all…

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Q: During a reaction between potassium carbonate and hydrochloric acid three products are created:…

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Q: 34. DETAILS Calcium hydride, Cat, reacts with water to form hydregen gas Caly(s) +2 H,O) - CatOHlaa)…

A:

Q: Multiple Choice: If the average galaxy has approximately 150 billion stars, and if astronomers…

A: Given data: The number of stars in one galaxy=150 billion. The total number of galaxies=125 billion.…

Q: Calculate the mass of tetraborane (B,H10) that contains a trillion (1.00 × 102) boron atoms. Be sure…

A: Given number of atoms = 1.00 × 1012 B atoms  Molar mass of tetraborane = 53.32 g/mol

Q: ne reaction that occurs during the deployment of an air bag is shown below, where sodium metal…

A: It is given by the law of conservation of mass- total mass in chemical reaction neither be created…

Q: You are given 16.0 g of aluminum and 21.0 g of chlorine gas: Part A If you had excess chlorine, how…

A: The objective of the question is to find the moles of aluminum chloride when  of aluminum reacts…

Q: In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. If…

A: The chemical equation for combustion of hydrogen gas is given as             H2 (g) + 1/2O2 (g)…

Q: Question is mentioned in the attached

A: Given: Body weight of the athlete=161lb percentage of fat =15.0% Formula: Fat weight = percent of…

Q: QUESTION: How much solute (lauric acid) do you need to add to the solvent wax (stearic acid) to make…

A: Suppose, x g of lauric acid is required to mix with the solvent wax stearic acid to make a 100 g…

Q: 48.5 g of iron (III) oxide reacts with carbon monoxide to form iron and carbon dioxide. Calculate…

A:

Q: Given Avogadro’s number of shotput balls, which of the -following is the best estimate of the total…

A: Avogadro's number: This is the constant number that builds a relationship between the number of…

Q: If people were to start counting by 100s from the second they were born and never stopped until they…

A: We know that, 1 year = 365 days 1 day = 24 hours 1 hour = 60 min

Q: Both landfill gas and biogas contain highest percentage of Methane. Select one: True False

A: Biogas is produced naturally by anaerobic bacteria. Bacteria decompose the biomass and produce…

Q: What mass of copper product will remain after heating 5.50 grams of copper (II) carbonate to…

A: Given Mass of Copper(II)Carbonate = 5.50 gReaction Type = DecompositionMass of Copper product after…

Q: Part A A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium…

A: A question based on mole concept that is to be accomplished.

Q: A reaction produces sodium chloride fro 8 grams of sodium and 8 grams of diatomic chlorine. What is…

A: The balanced reaction taking place is  2 Na + Cl2 ----> 2 NaCl Hence we can say 1 mole of Cl2…

Q: 0 product from moles ... 9 010 Green plants use light from the Sun to drive photosynthesis, a…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: What is the % mass of iron in iron (II) oxide?  Report your to answer to 2 decimal places

A: persentage iron =( atomic mass of Iron/ molar mass of FeO) * 100

Q: How many grams of ethanol (CH3CH2OH) are there in a 0.3725 mol sample?

A:

Q: Which of the following accurately describes the number of aluminum and oxygen atom A 3 atoms of…

A: Al2O3 is named as Alumina. It is a compound of aluminium.

Q: What is the mass of 0.025 moles of aluminum sulfate, AI2(SO4)3?

A: We have to calculate the mass of 0.025 mole of aluminium sulfate.

Q: do you think dimensional analysis calculate the number of oxygen atoms are contained in 5.33 g of…

A:

Q: What is the % mass of oxygen in carbon monoxide?  Report your answer to 1 decimal places

A: Mass of a element of compound is the ratio of mass of element to the total mass mass of compound

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

A:

Q: sis reaction Detween carDon and oxygen to produce carbon dioxide dioxide are formed?

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Q: Please correct answer and don't use hend raiting

A: Step 1:To find the number of atoms (N) in 17.3 moles of mercury (Hg), we use Avogadro's number,…

Q: What is the percent by mass of sulfur in SO1? Your Answer:

A: Introduction : We have to calculate the percent by mass of SO1.

Q: spend a million dollars a day, how long would it take to spend one mole of dollars?

A: 1 million dollars = 106 dollars are spend in one day 1 mole dollars = 6.022×1023 dollars

Q: When Silver nitrate reads with minium chloride, Silver chloride t barium nitrate are formed. How…

A: The objective of this question is to determine the amount of Silver Chloride produced when Silver…

Q: how many milligrams of iron chloride result 115.5 mg of iron is react with an excess of chlorine gas

A:

Q: According to the reaction between dihydrogen sulfide gas and sulphur dioxide gas producing solid…

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Q: Calculate the mass of 3.83 moles of barium. Your answer should be rounded to significant figures and…

A: We know, The formula for the number of moles ---- Number of moles (n) = Mass of the substance(g)…

Q: Acetylene (CH,) 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 shown as follows: C2H2 (g)  +…

Q: Example: Calcium nitrite is often used as a component of concrete. How many pounds of nitrogen are…

A: We can convert mass into moles, or moles into mass by the given formula :Moles of substance = (mass…

Q: USE e Relerences to sccess important values if needed for this questiom. What would you multiply…

A: To Find: TTo find what would you multiply "grams of aluminum"  to get the units "moles of aluminum".…

Q: answer they attaced question

A: