As the cell thickness increases, the intensity of the transmitted light also increases. Is this True or false? True False

Q: Which of the following molecules can participate in any kind of hydrogen bonding with water? All of ...

A: Hydrogen bonding takes place only when hydrogen atom is present at most electronegative atom like fl...

Q: NH2

A: Naphthalene, on reaction with concentrated H2SO4 at 1600C gives 2-naphthalene sulfonic acid. On fusi...

Q: low many grams of KCI are in 125.0 mL of 0.375 M KCI? D 46.9 g D 3.49 g D 3.49 x 10g D 0.0469 g

A: The correct option is:  

Q: On analysis, an equilibrium mixture for the reaction 2H2S(g) 2H2(g) + S2(g) was found to contain 1.0...

A: The equilibrium reaction given is, => 2 H2S (g) ⇔ 2 H2 (g) + S2 (g)                        Kc = 3...

Q: In step 2 of the reaction sequence HCl is added to the basic reaction mixture after the reflux perio...

A: The virstatin ethyl ester is dissolved into methanol and NaOH has been added to the reaction mixture...

Q: A certain first-order reaction A B is 25% complete in 42 min at 25°C. What is the half-life of the r...

A: So 4th option seems to be correct that is 101min.

Q: The molar mass of Fluorine (F) is 19.0 g/mol. Calculate the molar mass of F2. O 6.31 x 10-23 g/mol O...

A: Given: The molar mass of fluorine = 19.0 g/mol

Q: 1- A silicon wafer with crystal orientation was placed at an oxidation furnace for one hour. Calcul...

A:

Q: alance the following chemical equation: __NH3 + __O2  = __NO + __H2O

A: Given : We have to balance the given reaction.

Q: Which of the following molecules is most soluble in water (they all have similar MW)? a   CH2OH-CH...

A: Given: Molecules with similar molecular weight.  

Q: How many moles of nitrogen gas would be produced if 5.56 moles of copper(II) oxide were reacted with...

A: Given data :  Moles of copper(II) oxide (CuO) = 5.56 mol CuO  Chemical reaction :  2 NH₃(g) + 3 CuO ...

Q: The percentage of earth ozone in the stratosphere is nearly Select one a. 70 b. 20 c. 90 d. 50 CFCS ...

A: Since you have posted multiple questions, we are entitled to answer the first 3 only.  

Q: Br or I Br (b) or I Br (c) or

A:

Q: Which of the bases are strong bases and which are weak from Table 1? For the strong base, calculate ...

A: The answer is as follows:  

Q: Which of the following substances is/are bent? (i) H2S, (ii) CO2, (iii) BRNO, (iv) NH2, (v) O3 (i) a...

A: A multiple choice question based on molecules that is to be accomplished.

Q: Calculate the mass of excess reagent remaining at the end of the reaction in which 180.0 g of SO2 ar...

A: Given: Mass of SO2 = 180 g Mass of O2 = 200 g Standard data: The molar mass of SO2 = 64 g/mol The...

Q: 11. Draw the Lewis structure and calculate the formal charge for oxygen atoms in an HCO3 ion? Show y...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: Given these molecular weights of only nonpolar and non-ionic molecules consisting of only hydrogen a...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: What is the pH of the buffer that is composed of 0.10 M Na2HPO4 and 0.15 M KH2PO4? (Ka1=7.5 x 10~³, ...

A: Given: Concentration of Na2HPO4 i.e. conjugate base of KH2PO4 = 0.10 M And the concentration of KH2P...

Q: NaOH OH H20, Heat

A: The product is as follows:  

Q: At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-3 m...

A:

Q: What is the osmotic pressure (in atm) needed to maintain a cell that contains 0.749 M of CaCl2, an e...

A:

Q: Bromobutane (C4H9B1) reacts with ethyllithium ( C2H5L¡ ) as follows: C4H9B. + C2H5LI → C4H9LI + C2H5...

A: • The given equation is,        1C4H9Br + 1C2H5Li → 1C4H9Li + 1C2H5Br    • We need to calculate the ...

Q: Using a chemical equation to find moles of product from moles ... Wine goes bad soon after opening b...

A:

Q: What volume (mL) is required from a stock solution of 1.98m KNO3 to prepare a 750ml solution of 1.00...

A: We can solve the problem from the following formula : V 1 S 1 = V 2 S 2    Where : V1 = initial vol...

Q: Give the balanced chemical equation for each of the following reactions Identification of cobalt io...

A: Soln

Q: how many moles of alum will be produced if a student reacts 0.25 moles of aluminum with 0.35 moles o...

A: Given: Moles of Al = 0.25 mol. Moles of KOH = 0.35 mol. And moles of H2SO4 = 0.76 mol.  

Q: find the pH.

A: This is question with multiple subparts. So, according to bartleby guidelines I need to solve only f...

Q: Question 15 Given these molecular weights of only nonpolar and non-ionic molecules consisting of onl...

A: The compounds containing carbon and hydrogen are known as hydrocarbons and are non polar in nature d...

Q: wavelength

A:

Q: The rate of a reaction was experimentally determined to double if the concentration of reactant A is...

A:

Q: Calculate the partial pressure of Hydrogen gas produced if 54 grams of Aluminum reacts with excess H...

A:

Q: What is the pH of a 500 mL buffer containing 0.200 moles NH3 and 0.350 moles NH4CI? Kb = 1.8 x 10-5 ...

A: The given Kb value is, Kb=1.8 x 10-5 pKb=-log Kb        =4.744 pKa=14-pKb        =14-4.744        =9...

Q: According to the kinetic molecular theory, the molecules of an ideal gas (1) have a strong attractio...

A:

Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific grav...

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

Q: Calculate the mass of excess reagent remaining at the end of the reaction in which 180.0 g of SO2 ar...

A:

Q: What have you discovered or learned about IMFs? State the IMF trends.

A: To explain: The IMFs. IMFs or intermolecular forces are weak forces of attraction that is present be...

Q: What is the molarity of a solution that results when 3.64 g KCI is dissolved in water and diluted to...

A: Given that  Mass of KCl = 3.64 g Volume of solution = 200.0mL = 200.0mL×1L/1000mL = 0.2L 

Q: altered propranolol gets trapped.

A: In this question we have to explain why the altered propranolol gets trapped when it's reacting with...

Q: Which of the following (NBr3, BF3, OF2, IF3) is(are) exempted from the octet rule? Check all that ap...

A:

Q: For a reaction to be spontaneous, which of the following factors should have a negative sign? a   ...

A: Given : We have to tell what is requirement for spontaneity of a reaction

Q: Question 48 The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (...

A:

Q: It takes a minute and a half for the concentration of oxygen to decrease from 4.2 x102 M to 2.4 x103...

A: Initial concentration of oxygen gas = 4.2 x 10-2 M Final concentration of oxygen gas = 2.4 x 10-3 M ...

Q: answer the synthesis problems and show reagents used

A:   2. Alkyne First converted into alkene then it is oxidised with mCPBA(metachloroperbenzoic acid)  e...

Q: H3C H3C 2 H3C \H3C CuLi Li H3C CI OH H;C H;CO H3C D Br MgBr H3CO H3CO H3CO 2.

A: The given reaction involves multi-step. All steps are significant. This is a multi-step transformati...

Q: t mass of ac

A:

Q: The gas nitrous oxide, N2O, is a dental anesthetic. a) Calculate the root-mean square velocity (ums ...

A:

Q: Calculate the percent by mass of potassium nitrate in a solution made from 67.0g KNO3 and 447 mL of ...

A: Here we use formula mass percentage , that is ( Mass of solute/ Mass of solution)* 100  Mass of solu...

Q: OH HO. NO2

A:

Q: 1) What is the equilibrium equation for the FeS(s) + 2 H30+ (aq) = Fe2+(aq) + H2S (aq) + 2 H20 (1)

A: Since you have posted multiple questions as per guidelines we can solve only one per session . If yo...