Nickel carbonyl, Ni1CO24, is one of the most toxic substancesknown. The present maximum allowable concentrationin laboratory air during an 8-hr workday is 1 ppb(parts per billion) by volume, which means that there isone mole of Ni1CO24 for every 109 moles of gas. Assume24 °C and 1.00 atm pressure. What mass of Ni1CO24 is allowablein a laboratory room that is 12 ft * 20 ft * 9 ft?

Q: Calculate the mass of copper (I) sulfide that will completely dissolve in 1.0 L of water. The Ksp of…

A: Calculate the mass of copper (I) sulfide that will completely dissolve in 1.0 L of water. The Ksp of…

Q: The water supply for a midwestern city contains the followingimpurities: coarse sand, finely divided…

A: Here are the ways so we can remove these impurities:

Q: At STP conditions, identify the phase under which carbon dioxide exists

A: STP Is known as standard temperature and pressure. Standard pressure is 1 atm and temperature is 273…

Q: What volume of hydrogen gas forms at SATP when 0.85 g of magnesium metal reacts with excess HCl…

A: The reaction taking place is  Mg + 2 HCl ------> MgCl2 + H2  Hence from the above reaction, we…

Q: (i) Name the method of refining of metals such as Germanium.(ii) In the extraction of Al, impure…

A: Refining is a process of eliminating impurities to obtain metals of high purity. These impurities…

Q: O 0.013 O 0.038 O 0.050 O 0.025 M O pure wa

A: AgI is given and need to find in which of the following aqueous solutions AgI will have the lowest…

Q: Describe the synthesis of ammonia by a neat flow diagram. Explain the main operating conditions of…

A: The synthesis of ammonia follows the Born Haber process. In this process, N2 and H2 are combined in…

Q: Write the balanced chemical equation for conversion of Al(s) to KAl(SO4)2·12H2O(s) in aqueous…

A: The balanced equation is the equation in which the number of atoms of each elements are equal at…

Q: In determining the manganese dioxide content of a pyrolusite mineral. A sample of 0.5261 g of…

A: Equation representing reaction of KMnO4 with oxalate: 2 MnO4- + 5 C2O42- + 16 H+ = 2 Mn2+ + 10 CO2 +…

Q: (1) Diamond and graphite are two minerals with identical chemical compositions, pure carbon (C).…

A: 1. Given that, diamond and graphite are two materials with identical chemical compositions and pure…

Q: Like heavy water (D₂O), so-called “semi-heavy water”(HDO) undergoes H/D exchange. The scenes below…

A: (a)

Q: Describe the role of(i) NaCN in the extraction of gold from gold ore.(it) SiO2 in the extraction of…

A:

Q: Explain the role of each of the following: (i) NaCN in the extraction of silver. (ii) Si02 in the…

A: Extraction of metals: As metals are found in mines in combined state in ores. It is necessary to…

Q: Consider the photochemical isomerization A= B. At 650. nm, the quantum yields for the forward and…

A:

Q: If you labeled one of the H2CO3 oxygen atoms with an 18O instead of a 16O, what would be the…

A: H2CO3 on dissociation gives CO2 and H2O.

Q: A series of reactions is carried out on the alloy (A) formed of two metals, as in the following…

A:

Q: why does enrgy have to be supplied to a chemical in order to break the IMFs between the molecules in…

A: In any chemical reaction reactants are converted into products.

Q: Divalent manganese reacts with oxygen according to the following chemical reaction: Mn2 +1/2 O2 (9 +…

A:

Q: What is the chemical Nare of He follawing: . TisiO4 2. WLse Og); 3. Na Sz

A: Ans . 1. Titanium silicate.   2. Tungsten selenite.   3. Dinitrogen trisulfide.

Q: Determine the mass (in grams) of magnesium metal required to produce 40.0 mL of H2with a temperature…

A: The reaction followed is: Mg + 2HCl → MgCl2 + H2 Firstly calculating moles of H2  Total pressure =…

Q: describe how the molecular properties of ammonium lauryl sulfate serve the application for which it…

A: Ammonium lauryl sulfate is a surfactant commonly used in personal care products such as shampoos,…

Q: calcula la molaridad de una disolucion de acido sulfurico (H2SO4) que se preparo disolviendo 58g del…

A:

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the…

A: To calculate the moles of alum formed from the given number of moles of each reagent, we would use…

Q: Aqueous permanganate ion may also be reduced using aqueous bromide ion, Br−, the products of this…

A: The oxidation (O) and reduction (R) half reactions taking place are  O: Br- → BrO3-          =>…

Q: Be sure your chemical equation is balanced! ZnS(s) +O2(g) ->

A: We have to write products of the reaction ZnS(s) +O2(g) ->

Q: (i) Indicate the principle behind the method used for the refining of Nickel. (ii) What is the role…

A: The process used for metal extraction in the pure form is named Metallurgy. Metals are extracted…

Q: We're told oxygen is the most common element in the Earth's solid crust. But how much oxygen is…

A:

Q: Precipitates formed in the halogen test are composed of: O Silver halides (AgX) O Reduced silver…

A: In halogen test, precipitates are formed. We have been asked that precipitates formed in halogen…

Q: e systematic names: * CH3CH2-0-CH2CH3 CH3-CH=CH2-COOH Ph-COOCH3 Ph-OH (CH3)2 CH-CH2OH

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

Q: List the importaant products of the Chlor-alkali process . Write one important use of each .

A:

Q: A hydride of silicon prepared by the reaction of Mg2Si with acid exerted a pressure of 306 torr at…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: A 0.4560 g mixture of FeCl3 and FeBr3 was dissolved in water and reacted with excess NaOH. All of…

A: The balanced chemical equation for the reaction is: (FeCl3+FeBr3) (aq)+3NaOH(aq)-> Fe(OH)3(s) + 3…

Q: A sample of 70.50mg potassium phosphate is added to 15.0ml of 0.0500M silver nitrate. Calculate the…

A: Given, mass Potassium phosphate = 70.50 mg molarity of  silver nitrate = 0.05 M Volume of silver…

Q: Write a balanced chemical equation for the decomposition of CaCO3 on heating and explain what the…

A: ✓CaCO3(s)=CaO(s)+CO2(g) ✓ following are two important sources of carbon dioxide when this Reaction…

Q: Write the chemical formula and indicate the physical state of the barium chromate (aq) + products.…

A: Write the chemical formula and physical state of the given reactant -->

Q: As discussed in class, the Haber-Bosch process for ammonia production proceeds via the reaction,…

A: The reaction given is, Given: Both entropy change and the enthalpy change is not changing between…

Q: (g) Differentiate between hypereutectoid and hypoeutectoid alloys

A:

Q: We have talked about in lecture about metamorphic grade, and about the difference between prograde…

A: The provided question involves mineral reactions and the concept of metamorphic grade, focusing on…

Q: Hydrogen peroxide (H2O2) can also form as a by-product during free radical oxidation reactions. H2O2…

A:

Q: Fill in the following brackets. Three Total Arsenate (As5+) is an analog of ["nitrate", "calcium",…

A: Arsenate is  impurity present in water

Q: i If concentration of [CrO4 ] in Expt. 7 is found to be 6.7 x 10 M, what is the experimental Ksp of…

A:

Q: Calculate the following: Volume, in liters, of hydrogen gas.  Molarity of Al+3. (Assume 75.0 mL…

A: Number of moles = mass/molar mass  Molarity = moles/volume(in L)  Molar mass of Al = 26.98 g/mol…