Question

3. A chemist carried out a chemical reaction that produced a gas. It was found that the gas contained 80% carbon and 20% hydrogen. It was also noticed that 1500 mL of the gas at STP had a mass of 2.01 g.
a. What is the empirical formula of the compound?
b. What is the molecular formula of the compound?

 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Main group metals lose electrons, resulting in the electron configuration of the previous noble gas....

A: Metals: elements that can donate electrons easily to attain inert gas configuration. Non-metals: ele...

Q: An automobile tire is filled with air at a pressure of 27.0 lb/in² at 25°C. A cold front moves throu...

A: The ideal gas is noticed to follow PV=nRT. The real gases are assumed to depict the same behaviour. ...

Q: What is the best description of conductivity? Choose one:  The ability of a substance to break ...

A: In the given options, the best description about conductivity is The degree to which electricity pas...

Q: consider the reaction between HCl and O2 4HCl+O2---->2H2O+2Cl2 calculate the theoretical yield of...

A: Stoichiometry of reaction :-                                                                  4HCl  ...

Q: A compound decomposes by a first-order reaction. The concentration of compound decreases from 0.5580...

A: First order reaction kinetics: k = (2.303/t) log[A]o/[A]t

Q: Select the conditions in which elimination/condensation is most likely to occur. Note that only one ...

A: The given options are,

Q: Define the term oxidation and reduction. Why must these processes take placetogether?

A: Click to see the answer

Q: Is delocalization possible in Hydrogen selenate (HOSeO3- )

A: The structure of hydrogenselenate (HOSeO3-) is shown below. The above structure clearly indicates t...

Q: Acetone can produce enamine by the reaction with Primary amine Secondary amine Tertiary amine Quater...

A: Click to see the answer

Q: Draw the hybridization for the metal centre of the complex below. You need to determine the geometry...

A: Hybridization is the process of mixing up of atomic orbitals to give new orbitals, hybrid orbitals. ...

Q: Can a catalyst change the position of equilibrium in a reaction?

A: The equilibria are the position at which the reactant's rate and product rate are equal.  The equili...

Q: Instructions: a. Gather all the materials needed. b. Put the rice in a bowl then add ½ liter of wate...

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: (a) 1-chloropropane (b) 2-chloropropane(c) 2,2-dimethylbutane (d) 2,3-dimethylbutane(e) 1-bromo-4-me...

A: Hey since there are multiple sub questions posted, If you want any specific question to be answered ...

Q: Write the rate equation for each of the following elementary reactions:(a) O3 ⎯⎯⎯⎯⎯⎯⎯→ sunlight O2 +...

A: Given, (a) O3 ⎯⎯⎯⎯⎯⎯⎯→ sunlight O2 + O(b) O3 + Cl ⟶ O2 + ClO(c) ClO + O ⟶ Cl + O2(d) O3 + NO ⟶ NO2 +...

Q: A. Provide the IUPAC names for the following: ÇH3 CHCH,CH3 CH3 CH2CH3 CH3CHCH2CH2CH CH3 C=C H3C Hạc ...

A: Click to see the answer

Q: Please help with the following. Am stuck. Thank you!! A) A reaction vessel is charged with 0.50 atm ...

A: Hii there, since there are multiple questions posted. We are answering first question. If you need f...

Q: How many total mL of 0.100 M Cd(NO3)2 will you need to take from the reagent shelf in order to prepa...

A: A total of 50mL of 0.100 M cadmium nitrate is taken in the burette and a measured volume of cadmium ...

Q: The first step in the preparation of lead from its ore (galena, PbS) consists of roasting the ore.  ...

A: The balanced reaction is as follows -     2PbS(s) + 3O2(g) ---> 2SO2(g) + 2PbO(s) The standard en...

Q: In the following reaction, indicate the oxidation numbers for all elements on BOTH sides of the equa...

A: an species  whose oxidation number is increased is said to be oxidized and whose oxidation number is...

Q: At constant temperature, how can you express the rate of change of the pressure in an ideal gas law,...

A: From the ideal gas equation:

Q: You are asked to determine the mass of a piece of copper using itsreported density, 8.96 g/mL, and a...

A: Click to see the answer

Q: In the titration of acetic acid, CH3COOH, a 0.20 M solution of NaOH is used. A volume of 15.00 mL of...

A: Click to see the answer

Q: What is the rate at which the pressure changes at point where the ratio of pressure to its volume is...

A: Given information: Pressure to volume ratio, P/V = 0.4 atm/L Expansion ratio at constant temperature...

Q: Which of the compounds below is polar? O TeCl2 Xe04 12 SF6

A: Usually we polarity by the electronegetivity difference. If the difference in electronegativity is g...

Q: 2ICI(s) ** 12(s) + C12(g). Which of the following changes will increase the total amount of of C12 t...

A: For the given reaction, the concentration of ICl (s) and I2(s) is assumed to be constant as both are...

Q: When 145 mL of 0.212 M NaCl(aq) and 145 mL of 0.212 M AgNO3(aq), both at 21.1°C, are mixed in a coff...

A: Moles of AgNO3 = Molarity× Volume = 0.212 M × (145/1000)L = 0.03074 moles

Q: Calculate the sum of coefficients for the following equation balanced for acidic conditions. XO3-3 +...

A: The given equation is,XO33- +  Q H8O  →  Q H2O2  +  X2+1

Q: Calculate the number of hydrogen and or molecules in a salution prepared by mixing 45g glucase in 36...

A: Total Number of Hydrogen and Oxygen molecules present in the Mixture can be calculated as -

Q: 17) Draw the major product of the following reaction: Br2, CH2C1, Section: 6-9 18) Draw the major pr...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: Given the standard enthalpy changes for the following two reactions:(1) 2Hg(l) + O2(g)2HgO(s)...... ...

A: Click to see the answer

Q: How is the amount of current flowing through an electrolytic cellrelated to the amount of product pr...

A: Click to see the answer

Q: Calculate the standard molar enthalpy of formation of NO(g) [N2(g) + 02(g) → 2NO(g)] from the follow...

A: Given reactions are the following. N2g+2O2g→2NO2g   ∆H0298=66.4 KJ2NOg+O2g→2NO2g   ∆H0298=-114.1 KJ

Q: Having trouble with these if you could please help. Please include phases. Thank you!   A)Write the ...

A: A) When NH2OH dissolved in water, it dissociates into ions.  NH2OH(aq) + H2O(l)⇌NH3OH+(aq) + OH-(aq)...

Q: A reaction mixture of 18.215g Na2CO3 and 10.938g HCl react according to the following balanced equat...

A: The mole ratio between HCl and Na2CO3 is 2 : 1 . First, identify the limiting reactant,        Moles...

Q: Draw the structure of 1-methoxy-1,3-butadiene, construct the diagram energy for molecular orbitals, ...

A: In 1-methoxy-1,3-butadiene, C1 is bonded to methoxy group and double bonded to C2. C3 is also double...

Q: A student obtained the data below after performing a similar experiment described in this laboratory...

A: Mass of hydrated salt = mass of crucible, cover and hydrate - mass of crucible and cover. So, Mass o...

Q: The ambient temperature is 85.0°F and the humidity of the surrounding air is reported to be 66.0%. U...

A: The Pressure at 85 deg C is 814.75 torr

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reducti...

A: The electrode with highest positive reduction potential will undergo reduction and the electrode wit...

Q: Calculate the pK for the oxidation of X by Hplus at 25 degrees C. X(s) + 2 Hplus → X2 plus (aq)+ 2/2...

A: In any electrochemical cell, a redox reaction proceeds .here an electron is transferred from a subst...

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° = 1...

A: Click to see the answer

Q: why NaH and M.C. are needed in this reaction? NaH OEt DEt Eto Eto М.С.

A: The Horner-Wadsworth-Emmons reaction is the modified Wittig reaction which make use of stabilized ph...

Q: Sketch a potential energy diagram for the decomposition of nitrous oxide. N20(9) → N2 (9) + O(9) The...

A: The given reaction is,

Q: substance classification (check all that apply) 1000X 10,000,000X Ogas Oliquid normal Osolid Oelemen...

A: Sketch of a substance.

Q: While CH3OH is the solvent in the reaction, and a nucleophilic one, why doesn’t CH3OH act as the nuc...

A: A nucleophile is an electron rich species, which can donate electron density in the form of lone pai...

Q: How many milliliters of 0.450 MH3PO4 is required to neutralize 1.55 L of 0.0945 M Ca(OH)2? Balanced ...

A: Balanced chemical equation: 2H3PO4  +  3Ca(OH)2  ------->  Ca3(PO4)2  +   6H2O From this equation...