A pharmacist fills a prescription for 30 g of a 0.1% w/w hydrocortisone cream by combining a 1% w/w hydrocortisone cream and a cream base. H ow many grams of each were used?

Q: 5. When 5.0 moles of potassium metal reacts with an excess of H₂0, 3.5 g of H2 are produced. 2 K (s)…

A: Given data :

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Q: A chemical reaction between 6.0 g of substance A and 8.0 g of substance B, yields exactly 14.0 g of…

A: In the first reaction, 6.0 g of substance A react with 8.0 g of substance B to form 14.0 g of…

Q: The following initial rate data are for the reaction of UO₂+ with hydrogen ion in aqueous solution:…

A:

Q: The Lewis structure reveals a radical in which of the following species? Select one: O a. N₂0 O b.…

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Q: 7) (a) Assign the following terms to the EI mass spectrum below: base peak, molecul peak, and…

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Q: , Consider the unbalanced reaction below, which occurs in an acidic aqueous solution. MnO4 + 1 Ⓡ1₂ +…

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Q: Calculate the total pressure inside the vessel if it contains a 50 g of O₂, 25 g of helium and 22 g…

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Q: Calculate the volume of 0.245 M KOH needed to neutralize 67.0 mL of 1.03 M HNO3

A:

Q: Question 4 A 100.0 mL buffer solution is 0.175 M in HCIO and 0.150 M in NaCIO. What pH after…

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Q: The reaction of nitrogen dioxide with fluorine 2NO2+ F2 → 2NO₂F is first order in NO₂ and first…

A: The detailed solution is provided below.

Q: words L Draw and name the major product(s) (8) for the reaction shown above. (Hint: If no reaction…

A:

Q: What is the major organic product in the reaction shown? 02 04 03 01 = 3) Br Br 4) HBr Br Br

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Q: On the basis of the chromatography results shown here: what is the percentage radiochemical purity…

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Q: A is directly to the left of B. C is directly below A and D is directly below B. Which of the…

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Q: 100 ml of 0.100M H₂A titrated with 0.100 M NaOH (Ka1 = 1.0 E-3; Ka2 = 1.0 E-7) Calculate the pH at…

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Q: Due to a (severe) labeling mistake, you find a sample of C6F14 that may or may not be labeled!…

A: Given :  1. Mass of the sample = 295.111 g. 2. Moles of sample = 0.873 moles of C6F14  Molar mass of…

Q: A gas that has a volume of 286 microliters, a temperature of 119 Fahrenheit and unknown pressure has…

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Q: If you have unknown quantity of a gas at a pressure of 356 torr, a volume of 37500 nanoliters and a…

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Q: determine the density of a rock that has a mass of 34.1g. when the rock is placed into a graduated…

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Q: (d) What is the molarity of MCIO3 in Solution A? 2. Use the identity of MCIO3 and the decomposition…

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Q: flask of 25.0 mL with an unknown concentration of magnesium hydroxide completely reacts with 18.0 mL…

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Q: H 1.008 3 Li Be 6.94 9.012 11 12 Na Mg 22.990 24.305 Select one: O a. O b. Si-P c. Si-Se O d. Si-S…

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Q: A solution of NaCl(aq)NaCl(aq) is added slowly to a solution of lead nitrate,…

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Q: Provide a rational synthetic route to the transformation using the following alkene as the alcohol…

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Q: Hand write your answers to the questions below. Select the tickbox when you have completed this…

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Q: 2.765 g of silver nitrate (169.9 g/mol) were mixed with 5.432 g of potassium chloride (74.55 g/mol)…

A:

Q: The following chemical reaction takes place in aqueous solution: SnBr₂(aq) +2 KOH(aq) →Sn(OH),(s)+2…

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Q: Which of the following is TRUE regarding any nonmetal atom? Select one: O a. It has unpaired…

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Q: (5) (aq) + 4H₂O Cl(aq) 1₂01) Br(aq) D(g) + 2H₂O(1) (s) (aq) (aq) (OH)₂ (s) + 2OH(aq) (s) OCI (aq) +…

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Q: What would be the chemical formula of an ionic compound formed by Al³⁺ and C₂H₃O₂⁻?

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Q: Nitrogen dioxide and water react to form nitric acid and nitrogen monoxide, like this: 3 NO₂(g) +…

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Q: After dissolving HCI in water, the final concentration of H3O* is 3.87x10-1. What is the pH of this…

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Q: Consider the reaction data. A ->> products T (K) k (S-¹) 325 0.382 625 0.826 What two points should…

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Q: Question 3 A 7.300 g sample of aluminum combined quantitatively with elemental selenium to form a…

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Q: + Д

A: Given : reactants

Q: Which of the following molecular geometries cannot have a trigonal bipyramidal electron group…

A: