Question

In the following reaction, which element in what species is reduced? Zn (s) + 2 HCl (aq) → ZnCl₂ (aq) + H₂ (g)

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

Inorganic Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: What volume of 0.220 M NaOH, in milliliters, contains 45.0 g of NaOH? Volume mL %3D

A: Click to see the answer

Q: What is the concentration in%m/v of a 0.315 M aqueous solution of acetone (MM= 58.08 g/mol)

A: Given information,         Concentration of the solution = 0.315 M         Molar mass of acetone = 5...

Q: 17.110 Synthetic diamonds are made under conditions of high temperature (2000 K) and high pressure (...

A: Phase diagram is a graphical representation showing the limiting conditions for solid, liquid, and g...

Q: How many secondary types of carbon are present in the following compound? CH3 H;C - C- CH2 - CH, - C...

A: Click to see the answer

Q: The equilibrium constant Kc for the reaction                                     N2(g)  +  O2(g)  ↔ ...

A: Use experessiom of Kc and get the answer 

Q: Draw the line structure and the Haworth projection for the first structure and label which is cis or...

A: The given molecules are represented as follows;

Q: At 25 C the vapor pressures of benzene (C6H6) and toluene (C7H8) are 93.4 and 26.9 torr, respectivel...

A: given: vapor pressure of benzene P°A = 93.4 torr vapor pressure of toluene P°B = 26.9 torr mass of b...

Q: A chemistry student is 189 cm tall and weighs 55.8 kg. What is her height in inches and weight in po...

A: The weight of the girl is 55.8 kg. To convert to pounds we need to follow steps 1 kg = 2.205 pounds ...

Q: Consider the structure of trans-1-ethyl-3-methylcyclohexane. Which statement is fully correct about ...

A: Interpretation: For the structure of trans-1-ethyl-3-methylcyclohexane, The which statement is fully...

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an acti...

A: The Arrhenius equation establishes a relation between the rate of the reaction and the temperature. ...

Q: Calculate the pH at which the carboxyl R group of aspartic acid is 30% dissociated

A: Handerson Hasselbalch equation –  Buffer solution is mixture of weak acid and its conjugate base. Us...

Q: Based on the electron configuration below. Determine the element and/or ion that matches the configu...

A: An atom consists of an atomic nucleus containing protons and neutrons while electrons are present ar...

Q: 11. The lifetime of the VOC called glyoxal in the atmosphere is controlled by its reaction with the ...

A: VOC undergoes two parallel reactions 1. with OH radical 2. photolysis

Q: Calculate these masses.(a) What is the mass of 6.00 cm 3 of sodium, density = 0.97 g/cm 3 ?(b) What ...

A: Step : 1           Calculate these masses.          (a) What is the mass of 6.00 cm 3 of sodium, den...

Q: In a sample of NH3(g) condenses reversibly at 100 oC releasing 2260 J of heat to the surroundings. a...

A: The change in entropy of the system is; T=100oC+273.15=373.15 K∆Ssystem=-∆HT=-2260 J373.15 K=-6.056 ...

Q: A mixture of hydrocarbons contains 31.0%31.0% heptane,heptane, C7H16,C7H16, 10.6%10.6% nonane,nonane...

A: The balanced chemical equation of the combustion of heptane, nonane, and octane are shown below. C7H...

Q: 17.16 At a particular temperature, K = 1.6X10-2 for %3D 2H,S(g) 2H2(g) + S2(8) Calculate K, for each...

A: Given reaction,      2 H2S(s) ⇔ 2 H2(g) + S2(g)

Q: Calculate the pKb of HSO4-. Your answer should be to one place beyond the decimal point.

A: The pKb value and pKa value have the following relationship. pKa+pKb=14pKa=negative logarith of acid...

Q: 135 Joules of heat are required to increase the temperature of 10.0 grams of an unknown metal from 2...

A: heat is defined as the form of energy that is transferred between one substance to other substance ....

Q: 17.19 Balance each of the following examples of heterogeneous equilibria and write each reaction quo...

A: Chemical equilibrium comes into account when the rate of forward reaction become equal to the rate o...

Q: Write a net ionic equation to show that pyridine, C,H,N, behaves as a Bronsted-Lowry base in water.

A: Any chemical species that are capable of donating H+ ions to another molecule are called Bronsted-Lo...

Q: After Maria’s 8th cup of coffee one night during finals week, she remembered that high doses of caff...

A: The mass of caffeine that lethal for Maria is; mcaffeine=150 mg1.0 kg×mMaria=150 mg1.0 kg×47.7 kg=71...

Q: Write a isotope symbol for An ion with 17 protons, 18 electrons, 20 neutrons

A: Isotopes of an atom have same number of protons but differ in the number of neutrons, so isotopes ha...

Q: -254 kJ and AS = -86 J K´1. For a specific chemical reaction, AH = a. Calculate AG at 50 K, 200 K, a...

A: Click to see the answer

Q: Can I please have help with these

A: The addition of HBr into a double bond occurs through a carbocationic intermediate. The more stable ...

Q: Question A only, thanks

A: In order to find the enthalpy of the hydrolysis per mole of the ATP we first write down the given da...

Q: Aqueous sulfuric acid (H, SO 4) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: 2NaOH + H2SO4 → Na2SO4 + 2H2O 2mol NaOH react with 1 mol H2SO4 to produce 2 mol H2O Molar mass NaOH ...

Q: 17.12 Balance each reaction and write its reaction quotient, Q.: (a) NO(8) + O2(g) (b) SF,(g) + SO,(...

A: Reaction quotients can be expressed by taking the ratios of concentration of products to the reactan...

Q: Explain the stability of the complexes TiCl62- and [Zn(en)3]2+

A: TiCl62-  is less stable than [Zn(en)3]+2 because Ethylene Di ammine is bidentate ligand so it will f...

Q: A.) A student measures the molar solubility of calcium chromate in a water solution to be 2.56×10-2 ...

A: Solubility means maximum amount of solute that can be dissolved in per liter of solution. Solubility...

Q: Predict the products of the following reactions: a) 1,3-hexadiene + HCl (show mechanism)

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

Q: How many grams of Cl are in 255 g CaCl, ?

A: Calcium chloride is an ionic compound made up of one calcium atom and two chlorine atoms.

Q: If 10g of methane combust completely according to the reaction below, how much energy is released? (...

A: -890.3kj energy release in 1mole CH4 Given mass of CH4 =10g Molar mass=16 Mole=mass/molar mass Mole=...

Q: What is the molality of a solution made by mixing 4.5 grams of KNO3 [molar mass( 101.1032 g = 1 mole...

A: Mass=4.5gm Molarity mass=101 Mole= mas/molar mass  Mole= 4.5÷101= Molality= mole×1000÷mas of solvent...

Q: Determine the concentration of all species in solution when you mix the following individual solutio...

A: If we mix NaCl solution with each other then  Mole of NaCl= 14.52×0.01=0.1452mole So total voulme=14...

Q: the absorbance of an equilibrium mixture of Fescn2+ was measured at 447nm and found to be 0.319. Wha...

A: Click to see the answer

Q: Calculate these volumes.(a) What is the volume of 35 g iodine, density = 4.93 g/cm 3 ?(b) What is th...

A: Volume of iodine gas is equal to the mass of iodine gas divided by density of iodine gas. The mass o...

Q: A proton nmr spectrum is shown for a compound having formula C5H9NO4  the infrared spectrum shows st...

A: The IR spectrum of this compound shows the following peaks: 1750 cm-1 C=O stretching of ester. 1562 ...

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k ...

A: The Arrhenius equation describes the temperature dependence of a rate of reaction. According to the ...

Q: Palmitate and Behenate are saturated fatty acids with 16 and 22 Carbons respectively. Which would yo...

A: The saturated fatty acid contains only single bonds with it. As number of C atoms increases that is ...

Q: Write all the possible sets of magnetic quantum numbers, mℓ, for an electron in the n =3 shell that ...

A: n=3,l=2 It is 3d subshell  m lies between -l to +l So values of m will be  -2,-1,0,+1,+2

Q: How many functional groups are present in the following compound? OCH, CoO CH,

A: The groups or atoms that are linked to the particular molecule is known as functional groups.

Q: For a hydrogen atom, calculate the wavelength of light (in m) that would be emitted for the orbital ...

A: The ground state energy level has value 1. The excited state energy level is 5. The value of Rydberg...

Q: An aqueous solution containing 5.41 g of lead(II) nitrate is added to an aqueous solution containing...

A: Click to see the answer

Q: A student measures the molar solubility of manganese(II) hydroxide in a water solution to be 2.32×10...

A: Ksp is the solubility product constant, which indicates the dissolution of solute in a solution. Whe...

Q: most stable

A: The most stable chair conformation for trans-1,2-dimethylcyclohexane is that one in which both the m...