Give four major contributions of Jabir ibn Hayyan to the study of the central science

Q: 12.43 How is vapor-pressure lowering related to a rise in the boiling point of a solution?

A: Please find your solution below : Vapour pressure of a solvent is defined as the pressure exerted by...

Q: Convert the following pH or pOH values to [H*] or [OH] concentration Example: pH = 7.0, [H*] = 1.0 x...

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost...

Q: Calculate the mass of excess reagent remaining at the end of the reaction in which 90.0 g of SO2 are...

A: To find the limiting/excess reagent,  • Convert the mass of reactants ( SO2 and O2 ) to moles.  •  D...

Q: Which of the following occurs when reactants are removed from a chemical reaction in solution or the...

A: According to lechatliers principle when a system at equilibrium is subjected to a stress (change in ...

Q: Be sure to answer all parts. How many moles of cobalt (Co) atoms are there in 9.00 x 10° (9.00 billi...

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Q: What is the molar solubility of NiS if the Ksp is 3.0 × 10-20? NiS(s) ⇌ Ni2+(aq) + S2−(aq)

A: Given,  NiS(s) ⇌ Ni2+ (aq) + S2- (aq)  The Ksp of NiS is 3.0× 10-20  The molar solubility of NiS is:...

Q: Be sure to answer all parts. Nitric oxide (NO) reacts witı oxygen gas to form nitrogen 2NO(g) + 02(8...

A: Given: Moles of NO= 0.857 Moles of O2 = 0.498 Limiting reactant=? Moles of NO2 = ?  

Q: [CHCOOH + H:O = CHCOO-+ H*] Determine the dissociation constant for 3 po the following reaction if t...

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Q: 12.62 A solution of 2.50 g of a compound having the empirical formula C,H,P in 25.0 g of benzene is ...

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Q: QUESTION 1 During an experiment, a student mixed 14.5 mL of a 0.500 M sodium fluoride solution with ...

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Q: A sample of oxygen gas has a volume of 545 mL at 35°C. The gas is heated to 151°C at constant pressu...

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Q: A 0.3423 g sample of pentane, C5H12. was burned in a bomb calorimeter. The temperature of the calori...

A: The heat released by the combustion of pentane is absorbed by the water and calorimeter.

Q: BASES: Base is one of the four classification of compounds. (Sentence 1: Bases will turn red litmus ...

A: Bases-  Any substance which contains OH ion or donate the lone pair of electron. 

Q: If 25 grams of methane, CH4, and 30 g of ammonia, NH3, are combined w/ excess oxygen, how much metha...

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Q: What volume of a 0.540 M KOH solution contains 15.5 g of KOH?  My question: After converting the gr...

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Q: Sulfuric acid (H2SO4) is a strong acid because it dissociates completely in water. Calculate the con...

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Q: 6. Lysozyme is an enzyme that breaks bacterial cell walls. A solution containing 0.150 g of this enz...

A: Given Data :  1. Mass = 0.150  2. Osmotic pressure = 0.953 torr         π = 0.953 torr × 0.00316 atm...

Q: Examine the following reaction, happening in the gaseous state: A+2 B C+ D. Describe the effects on ...

A: Given : gaseous reaction

Q: A chemist measures the amount of nitrogen gas produced during an experiment. He finds that 87.8 g of...

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Q: 1) NABH,, ELOH 2) H°, H,O

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Q: Calculate the change in pH that results from adding 0.160 mol NaNO2 to 1.00 L of

A: Ka = 7.2 ×10-4  pKa = -log(Ka)  = -log(7.2×10-4) = 3.14 initially, weak acid HNO2 is present  So,  p...

Q: SO4 -two content in 7689mL of a water sample was precipitated as Na2SO4. The precipitated was filter...

A: The mass of the empty crucible is = 27.0234 g The mass of the crucible plus Na2SO4 is = 27.7708 g Th...

Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy l...

A: Enter the number of electrons in each energy level (shell) for Hydrogen element.,

Q: Which mineral is the heaviest metal required for the production of a hormone which affects the basal...

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Q: 10 kg. A penny has a mass of 2.50 g and the Moon has a mass of 7.35 x 122 Use this information to an...

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Q: Find He appoprilate reagens for etficlent counveuieh of Starting meterial to podust a) OH OH b) OTs ...

A: The reagent(s)  in each reaction is shown below along with mechanism also 

Q: Click in the answer box to activate the palette. Determine the empirical formula of a compound conta...

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Q: i. 4-ethoxy-2-methyl-hex-1-ene j. 3-isopropoxy-butan-1-ol

A: Given,  i) 4-ethoxy-2-methyl-hex-1-ene  j) 3-isopropoxy-butan-1-ol 

Q: Relate the first law of thermodynamics to how the internal energy of a system can change. Use the pa...

A:                                   Answer  The first law of thermodynamics states that the energy of ...

Q: Calculate: 1) Create a buffer solution of pH= 4.00 from 1M acetic acid (HA)and 1 M sodium acetate (N...

A: Answer: Buffer solution is the type of solution in which addition of small quantity of acid or base ...

Q: Increasing the temperature of the water by 5 °F would have a significant impact on cooking times. As...

A: Desired boiling point of water = 217 oF Volume of water/solution = 4 quarts The question requires to...

Q: A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and ...

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Q: Diamond has a density of 3.52 g/mL. What is the volume in cubic centimeters of a diamond with a mass...

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Q: mole fraction: sulfur hexafluoride partial pressure: atm mole fraction: carbon monoxide partial pres...

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Q: Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction....

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Q: parts. Calculate the molecular mass or formula mass (in amu) of each of the following substances: (a...

A: a) CH4 Atomic mass of C = 12 amu Atomic mass of H = 1 amu

Q: How many grams of ethylene (C2H4) would have to be burned to produce 450 kJ of heat? C2H4(g) + 302(g...

A: Given :-  C2H4(g) + 3O2(g) →2CO2(g) + H2O(l)  ∆H°rxn = -1411 kJ/mol  To calculate :- amount of C2H4 ...

Q: Be sure to answer all parts. Industrially, vanadium metal, which is used in steel alloys, can be obt...

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Q: What is the pOH of a solution that has a pH of 9.9?

A: Here we have pH = 9.9 We have to find pOH .

Q: 12.57 Pheromones are compounds secreted by the females of many insect species to attract males. One ...

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Q: Pentaborane B5H9(s) burns vigorously in O2 to give B203(s) and H20(1). Calculate AHpxn for the combu...

A:   Heat of reaction: at particular temperature  the amount of heat released or absorbed during a che...

Q: What is the mass of 4.50 x 10- Cu atoms? Multiple Choice 7.47 x 10 amu 7.47 x 10 g 4.75 g 63.55 amu

A: Calculation of mass of cu atom:

Q: If 2.00 mL of 0.900 M NaOH are added to 1.000 L of 0.450 M CaCl,, what is the value of the reaction ...

A: NaOH and CaCl2 reacts together to form NaCl and Ca(OH)2. So, 2 NaOH + CaCl2 -> Ca(OH)2 + 2 NaCl  

Q: The energies, E, for the first few states of an unknown element are shown here in arbitrary units. 1...

A: An electron will absorb the energy to go the next higher energy level. The energy of electron ejecti...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: In this question we have a system i.e the cylinder and a surrounding which is the water bath and che...

Q: Common lons and Polyatun CH3COU for C2H3O2) Name Hvpochlorite ion Be? halt No 1Be - NaNo3 Sodum [NO3...

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Q: You are asked to prepare a 1.000L of a 6.000 M of sodium hydroxide. Calculate the mass of solute req...

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Q: if the change in pH after addition of 1.0mL of 0.10N HCI is 0.09, what is the total buffer capacity ...

A: Given-> Volume of HCl = 1.0 ml Normality = 0.10 N Change in pH = 0.09  Volume of solution = 20 ml...

Q: You synthesize the following compound via a base-mediated synthesis. Upon workup, you find that the ...

A: The solution of the answer is given below:

Q: An unknown compound has the following chemical formula: NO where stands for a whole number. Measurem...

A: Moles of nitrogen = 8.4 mole Moles of oxygen = 8.43 mole Chemical formula = NxO To find :-  Value of...