What devices will you use to measure the mass and the volume of water?

Q: eight of dry precipitate otained upon the treatment of 10 L solution of calcium loride having…

A: Given that -  ppm Concentration of Calcium Chloride CaCl2 = 1000 ppm  Volume of this Solution = 10 L…

Q: When a 45.0 g sample of an alloy at 100.0°C is dropped into 100.0 g of water at 25.0°C, the final…

A:

Q: with a frequency of 5.71×1014 Hz?   2.20×10-42 J   5.52×10-7 J   3.78×10-19 J

A: Given, Frequency (v) = 5.71 ×1014 Hz Energy of photon (E) = hv Where,  h = Planck's constant =…

Q: . What is the molar absorptivity when the percent transmittance is 56.2%, the pathlength is 2.00 cm,…

A:

Q: In a tripeptide, how are the amino acid residues held together? Ochemical bonds intermolecular…

A:

Q: An irregularly shaped metal object with a mass of 25.43 g was placed in a graduated cylinder with…

A: Given, mass of metal = 25.43 g From, observing a graduated cylinder we can say Volume of the…

Q: Write the balanced molecular equation, including phases, for the reaction of aqueous sodium…

A: Balanced molecular equation: Balance molecular equation can be define as the reaction in which…

Q: Conversions: Follow the format provided in the image and report your answer in scientific notation.…

A: Conversion of the given measurement --

Q: Magnesium reacts with sulfuric acrid according to the following equation, How many moles of H2 are…

A: Given, Note: 1000 mg = 1 g mass of Mg reacts = 230. mg = 0.23 g moles of H2 gas produced = ? Note:…

Q: Of the hydrolyzable lipids, which contain ester functional groups? Waxes Triacylglycerides…

A:

Q: Question 4 of 5 PC15 O lonic O Molecular

A: Identify the category of the compound ?

Q: a. Draw the structural formula. Show all atoms, bonds and lone pairs. OH NH₂ b. Identify (name and…

A:

Q: Which is true about the 2 compounds in the picture below? CH₂OH CH2OH ОН ОН O OH ОН ОН They are the…

A:

Q: 88. The molecular weight of NaOH is 40. How many grams of NaOH pellets are needed to make 500ml of…

A: Normality =Gram equivalent of solute / Volume of the solution (L)   No. of gram equivalents= Mass…

Q: 7. Sodium nitrite was assayed by residual titration with 0.1N potassium permanganate and 0.1 N…

A: The solution is given below -

Q: a. Tyrosine b. Alanine c. Leucine d. Asparagine 5. Draw a picture showing the details of the…

A:

Q: What is the condensed structural formula for the following molecule? HCO CCO O C₂0 CH3CH₂O OC₂H5O…

A:

Q: What is the standard enthalpy of reaction for the reaction below? C4H4(g) + 2H2(g) C4H4(g) +502(g)…

A: S.No. Given Reaction Standard enthalpy   C4H4(g) + 2 H2(g) ---> C4H8(g) To be determined  A…

Q: QUESTION 4 A compound with an empirical formula if CH is found to have a molar mass of 26.04 g/mol.…

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer…

Q: How many distant nucleus pairs are in NH, molecule? a. 16 b. 1 C. 8 d. 6 c. 4 f. 2 9. 12 h. 3

A: Distant nucleus pairs can be calculated by considering number of nucleus.

Q: Which of the compounds below would be soluble in pentane (the structure of pentane is also shown…

A: We know that like dissolves like. So polar compounds are more soluble in polar while non polar are…

Q: Part C aspirin with [H3O+] = 5.5 × 10-¹M. Express your answer using two significant figures. VE ΑΣΦ…

A:

Q: O O What is the orbital diagram for the valence electrons in a ground state atom of nitrogen? O ↑↓…

A:

Q: Which of the following molecules is represented in this IR spectrum? INFRARED SPECTRUM TRANSMITTANCE…

A: We have to determine the structure of the molecule from the given infrared (IR) spectrum. Fom, the…

Q: This following reaction is considered: LM CHR H, -B- LM=CHR BH Reductive elimination to produce…

A: Given

Q: Question 22 Which of the following Lewis structures will have resonance forms? CI - C || OIN -:

A: Resonance structure :  It is the group of more than one Lewis structure , that is representing a…

Q: 3. Draw the tripeptide described by Phe-Trp-Cys. Your drawing can be a Lewis structure, condensed…

A:

Q: An electron in a hydrogen atom transitions from n = 3 to n = 5. Which of the following statements is…

A:

Q: 76. What weight of 98.5% KHP (204g/mol) is equivalent to 40mL of 0.1 NaOH?

A: Volume of NaOH solution = 40 mL = 0.040 L  ( given )  Normality of NaOH Solution = 0.1 N.    ( given…

Q: Express the quantity 254934 m in each of the following. dm Express your answer using six significant…

A:

Q: Which is true about monosaccharides? The linear form is more prevalent and contains a carbonyl The…

A:

Q: 7. Sodium nitrite was assayed by residual titration with 0.1N potassium permanganate and 0.1 N…

A: The solution is given below -

Q: which strains apply to this molecule? bond angle, steric, torsional

A:

Q: Calculate the percent ionization for a 0.200 M HCOOH solution.  Ka = 1.80 x 10-4. a. 5.91 b.…

A:

Q: 25.0 mL of 0.050 M HCl solution is to be made by dilution of 6.00 M hydrochloric acid stock…

A: Given that, M1=6.00 M V1=? M2=0.050 M V2=25.0 ml

Q: A container of volume 1 litter is filled with hydrogen atom at temperature 300 K. The number of…

A:

Q: In an experiment, 531.7 g of chlorine gas are held in a 3.5 L container at 39° C. How much pressure…

A:

Q: What is the weight of the water in pounds ?

A: Here we have to calculate weight of the water in pounds-

Q: Question 3 of 5 NO2 O Molecular O Acid

A: What is the nature of NO2 ?

Q: Between carbon monoxide, CO, and carbon dioxide, CO2, which statement best describe the…

A:

Q: C6H12 + 9 O2 ----> 6 CO2 + 6 H2O (OR C6H12 + 9 O2 right arrow 6 CO2 + 6 H2O) How many grams of…

A:

Q: Sodium bicarbonate (84g/mol) tablet was dissoved in 200mL of water and consumed 38.2mL of 0.1009N…

A: Given, Sodium bicarbonate was dissolved in 200 mL water and 38.2 mL of 0.1009N HCl was consumed.…

Q: Exactly 30.2mL of HCI was consumed in the titration of 1.6g of primary standard sodium carbonate…

A: Volume of HCl = 30.2 mL  =0.0302 LMass of Sodium carbonate = 1.6 g = mMolar mass of sodium carbonate…

Q: Glucose(C6H1206) reacts with oxygen gas to produce gaseous carbon dioxide and water vapor Glucose:…

A: Number of atom of each elements on the reactant side should be equal to the number of atom each…

Q: What is the equilibrium constant for the following redox reaction? Cu2+ + 2Li Cu + 2Lit Litte Cu²+ +…

A: Given, Cu2+ + 2 Li ------> Cu + 2Li+ Standard reduction potential are given, Li+ + e- ---> Li…

Q: a. Design a route for the preparation of 1-hexyne from ethyne (acetylene) b. Design a route for the…

A: Given

Q: A small airplane takes on 312 L of fuel. If the density of the fuel is 0.821 g/ mL, what mass of…

A:

Q: This following reaction is considered: ( LM CHR H, B- L,M=CHR BH

A: Given

Q: This following reaction is considered: LM CHR H -B- L₂M=CHR - BH

A: Given : reaction mechanism of a organometallic compound. Where base is eliminating alpha hydrogen.

Q: Which of the following are produced when an unknown sample is heated with concentrated sulfuric acid…

A: 1. When sample is heated with conc. sulfuric acid nitrogen dioxide or NO2 is produced.…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.