Percent by mass of hydrogen in ammonia, NH3, is 17.77 %.  Which of the following is the grams of hydrogen in 5.28 g of ammonia, NH3?   a. 0.46 g b. 0.58 g c. 0.94 g d. 1.58 g

Q: 50. A 56-g sample of iron reacts with 24 g of oxygen to form how many grams of iron oxide?

A: Interpretation - A 56 g sample of iron reacts with 24 g of oxygen to form iron oxide. The grams of…

Q: How many grams of nitrogen reacted if 17.5 grams hydrogen also reacted? N2 (g) + 3H2 (g) 2NH3 (g)…

A: Given Mass of hydrogen reacted = 17.5 grams

Q: what is the mass of 211 mL of mercury

A:

Q: A major component of gasoline is octane C8H18. When octane is burned in air, it chemically reacts…

A: The balanced equation for combustion of octane is given as - 2C8H18  + 25O2  => 16CO2 + 18H2O So,…

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 14.4 gg of carbon…

A: This question is asking about the mass of carbon dioxide during reactions of carbon with oxygen gas.…

Q: Mercury has a density of 13.60 g/cm3. What’s the volume of 2.4 mole of mercury?

A: Given: The moles of Hg, (n) =2.4 moles. The density of mercury, (ρ) = 13.60 g/cm3

Q: A major component of gasoline is octane (C,H). When octane is burned in air, it chemically reacts…

A: Given :-  Octane + oxygen → carbon dioxide + water  Amount of O2 = 2.6 g  To calculate :-  Amount of…

Q: Diamond is a form of elemental carbon. Diamonds are weighed by carats, where 1 carat = 200 mg.…

A: Given data: Mass of 1 carat diamond = 200 mg Radius of 2.5 carat diamond = 3.24 mm

Q: 2) A sample of clean air is found to contain 20.45% oxygen gas by volume. How many liters of oxygen…

A:

Q: A sample of sodium reacts completely with 0.142 kgkg of chlorine, forming 234 gg of sodium chloride.…

A: A)  Given :- mass of Cl2 = 0.142 kg or 142 g  Mass of NaCl formed = 234 g  To be calculated :-  Mass…

Q: 4. The manufacturers of the aspartame-containing sweetener claim that one packet of their sweetener…

A: As we know that some compounds which are not sugars but happens to be much sweetner than glucose,…

Q: Substance AB2 is 60% A by mass.  What is the percent A by mass for substance AB?  Justify your…

A: Law of definite proportions: It states that chemical compounds has formed always in a fixed ratio. 1…

Q: You made a 36.6 g sample of a compound made of carbon and oxygen. You know that 10.0 g of carbon…

A: Number of moles = Mass/Molar mass

Q: 8. You work for a company called Farquahr and Daughters. Your expense account allows you to spend…

A: Given, Allowance for spend = 80.00 $/day Total days of trip = 1 week = 7 days Currency exchange rate…

Q: A 140 mgmg sample was placed on a watch glass that has a mass of 7.482 gg . What is the mass of the…

A: In the given question, we need to find the total mass of the sample along with the watch glass.…

Q: Please enter the correct significant figures!

A: Since the number of oxygen atoms in 1 molecule of SO3 is 3  hence the number of molecule of SO3 =…

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 22.8 g of carbon…

A: Since in any reaction, the total mass of reactants taken should always be equal to the mass of…

Q: 1.Brass is an alloy of copper and zinc. Varying the mass per-centages of the two metals produces…

A: As you have asked multiple questions we have answered your 1st question. If you want the answer to a…

Q: Obtain values from the pictures found in the procedure to complete the data table below. Remember to…

A: Solution :      Conversion of cg to g :               In this case, our conversion factor is 0.01.…

Q: How many grams F in 650.1 g Br2F6? Put the answer in the box in regular (non-scientilic) notation.…

A:

Q: (a) 2C(s) + O2(s) → 2C0(g) (b) 2NAHSO3(s) Naz503(s) + 502(s) + H2O(g) (c) 2C(s) + 2H20g) CO23) +…

A: Equilibrium constant kc is the ratio of equilibrium concentration of products over the equilibrium…

Q: Miguels bunny wieghs 850g. His sisters weighs 2.2kg. how many more gr does his sisters rabbit whiegh…

A:

Q: Two samples of potassium chloride are decomposed into their constituent elements. One sample…

A:

Q: a student obtains a sample of a sand/salt mixture in a test tube. home weighs the test tube with the…

A: The weight consists of two term Sample and test tube .

Q: A. O 2C2H6(g) + 702(g) 4CO2(g) + 6H2O(g) B. O C2H6(g) + 3.5014) → 2CO2(g) + 3H2O(g) C. O 2C2H6(g) +…

A: Ethane having formula C2H6

Q: How many.grams F in 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A: Number of moles is defined as given mass divided by molecular mass.

Q: 8. A 141 mg sample was placed on a watch glass that has a mass of 9.203 g. What is the mass of the…

A: Given that, mass of sample=141 mg mass of watch glass= 9.203 g then,

Q: What is the mass of water lost by a hydrate given the following data? mass of a beaker = 27.761g…

A: Mass of beaker = 27.761 g Mass of beaker and hydrate = 30.525 g Mass of hydrate = (mass of beaker…

Q: 1) The number with the most significant zeros is A) 250000001 B) 0.00002510 C) 2.5100000 D)…

A:

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: Gaseous ethane (CH CHwill react with gaseous oxygen (02) to produce gaseous carbon dioxide (CO, and…

A: The balanced chemical reaction is shown as,

Q: An alloy is made by mixing 35.0 g of gold 42.0 G of nickel and 51.5 G of aluminum what is the…

A: Total mass of alloy = Mass of gold + Mass of Nickel + Mass of Aluminum = 35.0 g + 42.0 g + 51.5 g =…

Q: Gaseous methane (CH) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) and…

A:

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

A: The reaction of Methane and oxygen is

Q: When you heat a popcorn, it pops because it loses water explosively. Assume a kernel of corn, with a…

A: Given: Mass of kernel of corn before heating = 0.136 g Mass of kernel of corn after heating (on…

Q: A sample of ascorbic acid (vitamin C) is synthesized in thelaboratory. It contains 30.0 g carbon and…

A: The mass of oxygen (in grams) in the second sample has to be  computed

Q: Two samples of potassium iodide are decomposed into their constituent elements. The first sample…

A:

Q: A major component of gasoline is octane (CgHis). When octane is burned in air, it chemically reacts…

A:

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 21.6 gg of carbon…

A: 1) Write the balanced chemical equation for the given chemical reaction. 2) Identify the limiting…

Q: 2 H2S(g) + 3 O2(g) – 2 H20(g) + 2 SO2(g) Substance s° / J mol K-1 H20(g) O2(9) 188.8 205.2 H2S(g)…

A: Given: ∆So for H2S(g)=205.8 J mol-1K-1∆So for O2(g)=205.2 J mol-1K-1∆So for H2O(g)=188.8 J…

Q: José performs an experiment to determine how much sugar can be dissolved in 250 milliliters (ml) of…

A: Solubility of a compound is the fraction of its concentration that dissolved in a solvent.…

Q: fa "classic" SUV features a 52 gallon (197 L) gas tank and assuming complete combustion and a…

A: Given ,  Volume of tank is 197 L Density of gasoline = 0.78 g/mL

Q: A medium sized carrot weight 61 g and contains 6 g of carbohydrate. What percent by mass of the…

A:

Q: 8. Suppose you were asked to prepare a 250 g chocolate mousse which is a 35% chocolate, 30% cream,…

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

Q: A major component of gasoline is octane (C8H18). When octane is burned in air, it chemically reacts…

A:

Q: Someone invents new units of measurement: grobs, hulks, and blubs. They define that 1 hulk is equal…

A:

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 21.6 g of carbon…

A: The carbon and oxygen react to form carbon dioxide as follows: The stoichiometry of the reaction…

Q: A student observed the following data: Water temperature change Weight of water 8° C Metal…

A:

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".