Write any two similarties between lithium and magnesium.

Q: Suggest how the components of each mixture can be separated. a. Salt and Sulfur b. Copper and Zinc

A: Solution The mixture of salt and sulphur is a mixture of heterogeneous mixture.They can be seperated…

Q: In each box, write the number of H's that each labeled carbon has. For example, if the carbon next…

A: Since, Valency of carbon is 4. Then,

Q: (a) In an experiment, a gas contracts from 0.674 L to 0.243 L under a constant external pressure of…

A: Given - (a) Initial volume of gas = 0.674L      Final volume of gas = 0.243L      Pressure = 2.138…

Q: Uses a lamp and a flame for determining the concentrations of metal ions in solutions. a. High…

A: Mass, IR and UV/VIS spectroscopy techniques are based on the observation of emission and absorbed…

Q: 2) If a brick has a length of 13.77 cm, a width of 8.50 cm, and a height of 5.12 cm: a) What is the…

A:

Q: How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with…

A: Magnesium oxide is MgO,  Magnesium nitride is Mg3N2, and water is H2O.

Q: Look at the statements below and then identify ALL items which are chemical processes. Remember that…

A: Changes or processes are divided into two types which are: (i): Physical processes or changes…

Q: The harmonic oscillator model is a good approximation of atomic stretching. (i) Use an energy level…

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

Q: S U- B- S

A: SUBSTANCE A matter with certain qualities and makeup is referred to as a substance. Every pure…

Q: Compound A, I would like to ask about the 180° turn in upper C -CH₂CH₂. -OH and -H rotate 90°…

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Q: Vapor Pressure (kPa) 120 100 80 60 40 20 0 0 10 20 30 50 60 Temperature (C) 40 70 80 90 100 The…

A: At the boiling point of water , the atmospheric pressure and vapour pressure of the water at given…

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: Density is a physical property that relates the mass of a substance to its volume. Calculate the…

A: Density is defined as the mass of a unit volume of a substance. The formula for density is d = M/V…

Q: By definition, atoms are electrically neutral.  Is it possible for atoms of two different elements…

A: Atom consist of protons, neutrons and electrons.Protons and neutrons are present in nucleus of an…

Q: Which of the following are enatiomers? НО н НО н НО НО НО н CHO -Н CHO ОН н -ОН CH2OH н -Н н -ОН…

A:

Q: 2. Identify the different carbon and hydrogen environments in the following molecules. Use letters…

A: To represent different Hydrogen we can use A,B,C,D etc and for Carbon 1,2,3,4 etc is used. The…

Q: Indicate the stereochemical relationship (identical, enantiomers or diastereoisomers) of the 2…

A: Here we are required to find the stereochemical relationship of the two compound.

Q: In the specific heat equation the delta T symbol (∆T) stand for?

A: The specific heat capacity equation is used to find the heat change in a material due to a change in…

Q: what is the real life application of  1-chloropropane + H2O → propan-1-ol + HCl? What is an example…

A: The end product of the reaction is propan-1-ol or propanol(CH3CH2CH2OH)

Q: Name each compound according to the IUPAC system: 1. CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3…

A: IUPAC nomenclature rules for alkanes: • Identify the longest continuous carbon chain. • Identify the…

Q: Predict the type of intermolecular forces that will be formed with the same kind (#1-3) and…

A: Intermolecular forces : The attracting and repellent forces that develop between the molecules of a…

Q: A sample of fried potatoes weighing 200 g was extracted using a volatile organic solvent. The…

A: The extracted solution contains cooking oil as the solute and volatile organic compound as the…

Q: 1. Formulate the potential product(s) of each of the following reactions. Write "no reaction" where…

A: Nucleophilic substitution reaction is a class of organic reactions in which one nucleophile replaces…

Q: Below are values for the standard reduction potentials for various species of the metal, M: MO₂2²+ +…

A: Frost diagram represent the graphical method of summarising redox relationship for species…

Q: Y Part A As a technician in a large pharmaceutical research firm, you need to produce 450. mL of…

A: part A: 450. ml of 1.00 M potassium phosphate buffer = 0.450 L * 1.00 mole / L = 0.450 mole  Let…

Q: Draw the important resonance forms of the following cations and anions: (b) (a) (c) H 50-t…

A:

Q: How to calculate 14 weeks to seconds?

A: we have to calculate total seconds in 14 weeks

Q: CHALLENGE PROBLEM: Unfortunately, right before the trip you come down with a case of the…

A: Given, Person's body weight = 128 lbs Eyedropper intake = 10 drops per 15 lb body

Q: 1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia…

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

Q: 1.complete the reaction CH₂OH C-OH

A:

Q: (a) what is the lost work of the system? (b) Show that the same result is obtained as the work which…

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Q: 6 The nitrobenzene in 300 mg of an organic mixture was reduced to phenylhydroxylamine at a constant…

A: In the given question we have a reaction for the reduction of nitrobenzene to phenylhydroxylamine.…

Q: Explain the function of an emulsifier. Relate your explanation to your observation in the…

A: Emulsifier An emulsifier has a hydrophilic head that prefers water and a hydrophobic tail that…

Q: In class, we learned why chromium (Cr) has a 4s13d5 electronic configuration instead of 4s2 3d4. By…

A: Electronic configuration is defined as arrangement of electrons in shell, subshell and orbitals.

Q: Explain the underlined paragraph, make it extensive and unambiguous, support its foundations in…

A: DPPH is a dark colored, crystalline  and paramagnetic solid. The structure of…

Q: The solubility product constant for Ni₂P₂O7 is 1.7 x 10-13. Calculate Eº for the process 4- Ni₂P₂07…

A: The balanced equation for the dissociation of Ni2P2O7(s) is: Ni2P2O7(s) ⇔ 2Ni2+(aq) + P2O72-(aq) ;…

Q: You are required to prepare working standard solutions of 1.00 × 10−5, 2.00 × 10−5, 5.00 × 10−5, and…

A: Given  M₁ = 0.100M stock solution V₁ = volume of Stock solution M₂ = Working standard V₂ = Volume of…

Q: An unknown substance shows a molecular ion peak at m/z = 170 with a relative intensity of 100. The M…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

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: When the calculation (2.31)(4.9795x10^3)(1.9971x10^4) is preformed, how many significant digits…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: (a) 174Hf→ 170yb + ? chemPad XX→ b) 60 Co→ 60 Ni+? chemPad XoXº ↓ Help Greek Help Greek

A: a)  H174f→Y170b + H24e b)  C60o→N60i + e-10 c) B210i→P210o + e-10 d)  P239u→U235 + H24e

Q: 37. Pseudo-pericyclic reactions are reactions that appear at first glance to be pericyclic, in that…

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Q: Write the equilibrium constant expression for the reaction shown below 2 N₂0s (g) 4 NO2 (g) + O2 (g)

A: Answer: Given chemical equation: 2N2O5(g)⇌4NO2(g)+O2(g)

Q: What mass of hydrogen gas was produced?   What mass of zinc reacted?   What was the percentage of…

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Q: Some commercial drain cleaners use a mixture of sodium hydroxide and aluminum powder. When the solid…

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Q: Excess sodium phosphate is mixed with 641.2 mL of strontium chloride at a concentration of 0.492…

A: Given concentration of SrCl2 = 0.492 mol/L  Volume of SrCl2 in mL = 641.2 mL  Percent yield of SrCl2…

Q: Calculate oral dosage in teaspoons (tsp) of Tylenol suspension liquid (32.0 mg/mL) for a 27.5 lb…

A: Given:-Child weight= 27.5 lb               Recommended dosage= 13.0 mg/kg               Tylenol…

Q: Cadmium sulfide (CdS) is used in some semiconductor applications. Calculate the value of the…

A: Recall the given redox reactions,CdS  +  2 e-  →  Cd  +  S2-                            ؏° = -…

Q: Complete the table below by writing the symbols for the cation and anion that make up each ionic…

A: •Cation:- Ions which are positively charged. •Anion:- Ions which are negatively charged. •So to…

Q: is Fe2+ or Fe3+ more reactive and why

A: