A doctor prescribes 3 g of a drug, daily, for a patient. The pharmacist has only 750 mg tablets available. How many tablets will the patient take daily?

Q: Phosphate buffer solution, which is used in preparing the BOD dilution water is prepared by…

A: The phosphate buffer is prepared by adding 3 different sources of free phosphate(PO43-) which are:…

Q: X Feedback What is the energy charge for the cell with concentrations = 1.000 mM, [ADP] = 10.00 uM,…

A: Energy Charge The concentrations of ATP, ADP, and AMP are connected to the energy charge. In order…

Q: Calcium chloride (CaCl2) has a formula mass of 110.98 g/mol.  a) What is the molarity of CaCl2 in…

A: Note: Since you have asked multiple subparts question, we will solve the first three subparts. And…

Q: S g) h) OH OH PCC PCC CH₂Cl₂ CH₂Cl₂ K₂Cr₂O7 H₂SO4 H₂O Excess K₂Cr₂O7 H₂SO4 H₂O OH

A: 1). Reagent - PCC, CH2Cl2 PCC (Pyridinium chlorochromate) oxidize alcohols into Carbonyls. PCC…

Q: Complete the following statements that apply to electron dot diagrams of the elements in group 15 on…

A: Group-15 elements like N, P, As, Sb, Bi, etc. have 5 valence electrons.

Q: (a) Select all of the correct statements about reaction rates from the choices below. The lower the…

A: The rate of reaction is defined as the speed at which reactants are converted into products. The…

Q: 3. Describe (or draw) how NaCl salt is formed (hint: involves charges).

A: Compounds formed from the reaction of respective elements.

Q: chalcopyrite (cufes2) is an important ore contains about 0.75% cu. what volume of sulfur oxide at 25…

A: Introduction  The most prevalent copper ore mineral is chalcopyrite, a copper iron sulfide. CuFeS2…

Q: A new element has been created in the National Chemistry Laboratory and you are on the task force to…

A: ELEMENT The quantity of protons an element has defines it. The protons in an element's atoms are all…

Q: Chemistry Table 1 Standard Enthalpies and Entropies Substance Standard enthalpy of formation…

A: Spontaneity of a reaction can be determine from the value of ∆G of reaction.

Q: What are the possible causes of low percentage yield in the preparation of…

A: Please find the attachment.

Q: I do not understand why this configuration would be in the excited state? Is it becasue one of the…

A:

Q: 7 Calculate the number of moles of OCI?

A: 1

Q: 2AgI + Zn → 2Ag+ + 2I- + Zn+2.

A: Redox Reaction Oxidation - Reduction Reaction also known as Redox Reduction For Example: 2AgI +…

Q: hemistry 1-bromo-1-methylcyclopropane + H2O → 1-methyl cyclopropane + HBr   bromocyclopropane + H2O…

A:

Q: 203,450,000g of water in a lake is contaminated with 326g of anthrax. How many ppm? A. 1.60 ppm B.…

A: PPM is Parts Per Million. 1 PPM is defined as the concentration of the solution, containing 1g of…

Q: Explain and draw Points Defects of cr

A: Point Defect Point defects in crystal structure are isolated interruptions to otherwise flawless…

Q: 4. For the following reaction, use the given rate law to determine the reaction order with respect…

A: Rate law expression: Let us understand the rate law expression by taking an example, X + Y ➝ Z The…

Q: When calcium nitrate is placed in water, the following entities are present: Select one: O H₂O(1),…

A: There are two type of compounds :-  Ionic compounds  Covalent compounds  Ionic compounds are…

Q: The spacing between two adjacent lines in the pure rotational spectrum of a diatomic molecule is…

A:

Q: Balanced Chemical Equation NaOH + HA-> NaA + H2O Details Volume (mL) of original unkown acid (HA)…

A: The balanced titration equation is: NaOH + HA → NaA + H2O

Q: After dissolving our impure napthalene in methanol the solution looks red what could have happened

A: Introduction to recrystallization Re-crystallization is a method for removing impurities from solid…

Q: The CO₂ molecule has__________ rotational modes. 4 2 6 3 5

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

Q: Andrew arrived at school and went directly to his earth science class. He took off his cap and coat…

A: Definition of density: A material's density is determined by how closely it is packed. Formula of…

Q: Which of the following phases does a sample of water exist in its triple point? gas solid none of…

A: Here we have asked for which of the following phases does a sample of water exist in its triple…

Q: What is the oxidation state of nitrogen in NO2?

A:

Q: A sample of unknown liquid is poured into a graduated cylinder and the volume of the unknown is 23.5…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: B: Give the IUPAC name for each of the following polymers? 1- H(-OCHOCO-CH,CH,CO-)OH 2- 3- (-…

A: According to guidelines we are supposed to answer only 3 subparts if you want rest of the parts to…

Q: Molar mass of a volatile liquid In Molar mass of a volatile liquid experiment, a student collected…

A: Given,  Dry flask and foil cap  189 g Temperature of the boiling water  85 0C Mass of dry…

Q: To test the stoichiometry of a reaction, a student placed a copper wire into a solution of silver…

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

Q: the pKa of the weak acid tha acid dissosciation constant, Ka of the monoprotic acid, HA

A: this is acid base titration. Weak Acid is HA and strong base is NaOH. When NaOH is added to HA…

Q: In the determination of iron in fortified cereals by atomic absorption, 0.9133 g of sample was…

A: A question based on absorption that is to be accomplished.

Q: In the following reaction, identify the oxidizing and reducing agents. 3CO + Fe2O3 →  2 Fe + 3CO2…

A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…

Q: Which of the following concentration measures will change in value as the temperature of a solution…

A:

Q: If the following redox reaction Cr + 3 V3+ → 3 V2+ + Cr3+ is found to occur spontaneously, identify…

A:

Q: THE CHEMICAL FORMULA OF THE FOLLOWING COMPOUND •Sodium hydroxide •Potassium permanganate

A: A chemical formula indicates the elements and their proportions in a compound .

Q: At a certain temperature thS TCO 2C1,0, (g)-2C1₂ (g)+50, (g) Suppose a vessel contains Cl₂O, at a…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: O Br Br O OMe NH₂

A:

Q: 3. A student ran the following reaction in the laboratory at 657 K 2 NH3 (g) ( N₂ (g) + 3 H₂(g) When…

A: In the given reaction ammonia decompose into nitrogen and hydrogen. The balanced chemical reaction…

Q: B4. OH H CH₂OH H OH H H OH H O H Lactose CH₂OH H OH H H ОН H OH но, НО. H REXEL H H HO O OH OH H H H…

A: The question asks us to find some structural differences in lactose and sucrose.

Q: Checkpoint #5: Given the following equilibrium reaction: 2 S03 (g) 2 SO₂ (g) + O₂ (g) Kc is 0.0290…

A: Answer: Given data: KC=0.0290[SO3]=0.0193M[SO2]=0.0372M

Q: The radius of a potassium atom is 231 pm. How many potassium atoms would have to be laid side by…

A:

Q: Give the chemical formula of the following coordination compound. Enclose complexes in square…

A: What is a coordination compound? An array of anions or neutral molecules are joined to a central…

Q: B: Give the IUPAC name for each of the following polymers? 1- H(-OCHOCO-CH,CH,CO-)OH 3- (-…

A: polymer is named using the polymer class name followed by a colon and the name of the monomer. To…

Q: 224 Ra прис -> 210 Pb + ¹4C. (b) Estimate the half-lives for these two possible decay

A: GIVEN REACTION: 224Ra →210Pb + 14C Atomic Mass of 224Ra = 224.020 a.m.u Atomic Mass of 210Pb =…

Q: A certain reaction is second order in N₂ and first order in H₂. digits. [N₂] [H₂] initial rate of…

A: The rate of reaction is defined as the speed at which reactants are converted into products. For the…

Q: A solution containing 4000 ug Fe(III) per cubic decimeter is treated with sulfosalicylic acid to…

A: Given →Concentration of Fe(III) = 4000 ug/dm3               Length of the cell = 0.5 cm…

Q: 6. Determine the structure of a compound with molecular formula CsH₁2O that gives the following…

A:

Q: answer of the following sentences: (1) The electrolytic conductivity of a 0.1 M solution of acetic…

A: Molar conductivity is defined as the conductance of a solution containing one mole of the…

Q: Write out structure representations for all isomers of the following complexes: (c) Pd(en)(SCN)2…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.