For Cr3+, enter an equation that shows how the cation acts as an acid. Express your answer as a chemical equation including phases.

Q: Specify how the principle of constant proportions can be used to determine seawater salinity by…

A: Salinity is the property of ocean water that measures the conductivity of ocean water.

Q: Rolling a ball up a hill Press F11 to exit full screen Boiling water in a beaker to make steam…

A: Exothermic reactions results in release of energy in the form of heat.

Q: Like anatomy and physiology, chemistry may be a somewhat scary subject for you. Think of it this…

A: There are thousands of different cosmetic products on the market, all with differing combinations of…

Q: A beaker containing a liquid is left to sit undisturbed overnight. In the morning, there are no…

A: Interpretation -  When a beaker containing a liquid is left to sit undisturbed overnight. In the…

Q: Are there any other suggestions

A:

Q: use ion exchange method in analytical separation to separate mercury and nickel from polluted water…

A: Basically the river bodies are polluted by the heavy metals like Cadmium,Mercury,nickel. Mainly…

Q: Match each structure to its mass spectrum.

A: a.

Q: We were given an activity about observing 2 balloons. 1 balloon is in the basin with cold water and…

A: The balloons are filled with air inside i.e. it contains large number of gas molecules. Now,…

Q: Identify the dependent and independent variables for the following situations: water consumption and…

A: Interpretation: The dependent and independent variables for the following situations are to be…

Q: calculate the amount of water needed to get a final volume of 1 mL (1,000 microliters) if the volume…

A: Consider a solution consisting of A and B.  We have given, volume of A and volume of solution, then…

Q: Questions: • Can you see the difference between the sugar and salt granules?  • Which of the…

A: All matter can exist in different physical states; solid, liquid and gases. Solid is well known…

Q: The Ksp value for calcium sulfate [CaSO4] is 2.40 X 10-5 and a professor made 1825 mL of a CaSO4lag)…

A: Given ksp of CaSO4 = 2.4 x 10-5 Volume of solution = 1825 mL Concentration of Ca3(PO4)2= 0.125 M To…

Q: Identify 1 class of alcoholic beverage. State whether it is good or bad for the body. Defend your…

A:

Q: You were in the middle of a tropical rainforest and it is very humid in the environment. Do you have…

A: 22) Solution - According to the question - Above statement is - True    23) Solution - According to…

Q: Consider the following reaction: 2HBr(aq) + Ca(OH)2 (aq) → 2H₂O(1) + CaBr₂(aq) Enter the complete…

A:

Q: The bowl of the funnel for gravity filtration may be filled to the brim. __________ 7. Transfer…

A: The bowl of the funnel for gravity filtration may be filled to the brim. __False________ Transfer…

Q: You measure your drug concentration in solution at ten minutes and an hour. You get 2 mg/ml at ten…

A: Given,  drug concentration at 10 mins is 2 mg/ml  And at 60 mins is 12 mg/ml

Q: In your words and in a few sentences, explain what the embodied energy is and how solution…

A: Answer - Embodied energy is the energy associated with the manufacturing of a product or services.…

Q: hardness is 25 mg/L and permanent calcium sulphate hardness 25 5. A sample of water was analyzed and…

A: Hard water is one that does not forms lather with soap. It contains soluble salts of Ca2+ and Mg2+.

Q: The Ksp value for calcium sulfate [CaSO4] is 2.40 X 10*5 and a professor made 1825 mL of a CaSO4(29)…

A: Ca+² = 0.375 M + ( 6.39 × 10-⁵ M ) Ca+² = 0.375063 M   The new Concentration (Molarity) of Ca+² =…

Q: Nagyung wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW: 122.55 g/mol)…

A:

Q: The ingredients contained in grape Kool-Aid can be approximated as: water (H2O, density = 1.000…

A: Given: Volume of solution = 500 mL = 0.500 L                         (Since 1 L = 1000 mL) Mass of…

Q: The Ksp value for calcium sulfate [CaSO4] is 2.40 X 10-5 so if a professor made 1825 mL of a…

A: Ksp = [Ca2+][SO42-] if solubility is s mol/L then: Ksp = s2 Number of mol = Molarity x Volume in L…

Q: You will observe granules of sugar, salt, and pepper under a magnifying glass (if available, if not…

A: Pepper ,salt and sugar are mostly used kitchen ingredients. Sugar and salt are formed by chemical…

Q: Give the safety measures when working with the following lab equipment during experiments and…

A: Saftey precautions  are necessary  for saftey of all the stake holders working there.

Q: A book like in the picture below contains writings and pictures made by black or colored ink. The…

A:

Q: route 1 LIAIH4 route 2 CN intermediate

A: Ozonolysis of alkenes Alkenes in which the carbon(s) of the double bond possess one or more…

Q: k

A: 3)     A+B--- C…

Q: Nagyung wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW: 122.55 g/mol)…

A: We calibrate change in heat in a calorimetry by formula : q = m×c×∆T Where q is heat…

Q: For C6H5NH3, enter an equation that shows how the cation acts as an acid. Express your answer as a…

A: Bronsted Lowry acid: It donates proton (H+ ion) to other compounds and form conjugate base.

Q: The US Food and Drug Administration recommends that one teaspoon of instant coffee, weighing 1.8 g,…

A: Given :  weight of one teaspoon of instant coffee = 1.8 g will contain 57 mg of caffeine weight of…

Q: Consider the following data that was collected for a protein that contain 0.76 % tryptophan amino…

A: The absorbance v/s concentration data given is, Absorbance Concentration (mg/L) 0.0250…

Q: Dr. Albert Apale, a well known Chemist, tested Random samples in the laboratory. The compounds were…

A: Compounds are classified as :  Ionic Saturated with 6 carbon molecules Unsaturated with 6 carbon…

Q: Ti(s)+H2O(l)→Ti(s)+H2O(l)→ Express your answer as a chemical equation. Identify all of the phases in…

A: The question is about to write the Chemical Equations for both the reactions -

Q: A river water sample (250 mL) is filtered and 0.032 g of solid is collected on the filter paper.…

A: The total solid in the river sample in ppm, is to be determined from the given data. Given:Volume of…

Q: Write a step-by-step procedure for this serial dilution. The stock concentration of the blue dye…

A:

Q: rder the following in increasing volume. (1=smallest; 4=largest)    Question 4 options:   7.6 x…

A: Given,7.6 × 103 cm38.8 × 1010 pL2.4 × 107 uL9.9 × 108 nLRequired,                    Increasing…

Q: A mixture of water (D = 1,000 kg/m3) and alcohol (D = 791 kg/m3) has a density of 920kg/m3. Is this…

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: (v/v)%  =  10. mL ethanol   150 mL mouthwash   × 100% = 6.7 % (v/v) ethanol   how do I insert…

A: Interpretation: The given setup of the percent volume/volume is to be shown.

Q: Scenario 2: Marissa is an extremely curious sixth grader. During a snow day she looked out her…

A: Given : A paragraph is given. To find : Possible testable question that Marisa can ask from the…

Q: I need help finding the %Composition for %cychohexane and %toluene. The formula (area of peak/total…

A: To determine: % composition for Cyclohexane and toluene

Q: You can always pick up a glass chemical container by its neck as that is the strongest part of the…

A: Glass bottle is used to keep chemical reagent in the laboratory.

Q: From the following, pick the most reliable source for obtaining scientific information: Group of…

A: For scientific information, published scientific papers are much more reliable sources than other…

Q: Enter a balanced equation for the reaction between aqueous lead(II) nitrite and aqueous potassium…

A: Lead (II) nitrite reacts with potassium iodide to form a precipitate of lead(II) iodide and the…

Q: A label has partially ripped off a flask containing a blue solution in your lab. You can read…

A: Given: Color of solution of metal nitrate is blue. And the possible metals are iron, magnesium,…

Q: Normal text Arial 11 BIUA 三 三▼m 1 4. 6. Antacid Light violet 4-6 6.82 Shampoo Purple violet 2-6 5.93…

A: pH of a solution is defined as the negative logarithm of H3O+ ion concentration in aqueous solution.…

Q: Which of the following methods is not an appropriate method for purifying a solid under normal…

A:

Q: For (CH3)2NH2+, enter an equation that shows how the cation acts as an acid. Express your answer as…

A:

Q: 20,0 KEeY-= 1,3 × 1025 16,0 KHgy²- = 6,3 × 10²1 12,0 Kzay2- = 3,2 × 1016 Kęey2- = 2,1 × 1014 8,0

A: From the graph it is clear that complex  formation constant of Fe3+ is highest among all.

Q: TiO2 (s) Tỉ" (aq) (acidic solution) Express your answer as a chemical equation. Identify all of the…

A:

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.