Hanging drop method is useful in determining cellular shapes - rod, coccus, or spiral O True O False

Q: Draw the skeletal structure of hexane from the condensed formula (shown below). CH3CH2CH2CH2CH2CH3

A: Given compound is hexane which is an organic compound as it is made up of carbon and hydrogen…

Q: How many grams of oxygen (O) are present in a 6.41 g sample of potassium nitrate (KNO3)? Enter your…

A:

Q: 23. What is the charge (oxidation state) of the cation in Hg20 (mercurous oxide)? 24. What is the…

A: Mercurous oxide has formula Hg2O and it is an inorganic oxide containing zero overall charge.…

Q: 1. Fit a straight line to the following data points using excel program to obtain the concentration…

A: Beer's Lambert's law :

Q: Synthesis: need to provide the likely organic products, keeping in mind regiospecificity and…

A: Organic reactions are those in which organic reactant react to form organic products. There are…

Q: 2. In an FCC structure, the atoms are found on the corners of the cubic unit cell in the centers of…

A: It is given a FCC structure .we have to calculate the relation between the edge length and radius,…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: Answer: Depression in freezing point of a solution containing non-volatile solute is: ∆Tf=i×Kf×m…

Q: 21. What force holds electrons near the nucleus of the atom? A. Strong nuclear force B.…

A: From the concept of periodic trends of elements and atomic mass of elements the following questions…

Q: Draw CH3NHCH2CH3 bond-line structure

A: Given compound is CH3NHCH2CH3 . We have to draw bond line structure of given compound. Given…

Q: Choose the correct IUPAC name for the following compound: Oa) 2,5-hexadiene Ob) 2,5-heptene Oc)…

A: We have to name the given two compounds using IUPAC rules

Q: A student reads a barometer in the laboratory and finds the prevailing atmospheric pressure to be…

A: In this question, we just need to convert the unit of pressure from mm Hg to all other unit. The…

Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: Given : description of elements.  We know in a periodic table there ate 7 periods and 18 groups.

Q: A 0.88g gummy bear is burned in a bomb calorimeter. The temperature started at 21.5 degrees Celcius…

A:

Q: 18 A selenium atom has a 2- charge. Which best describes the selenium atom? A. 34 protons, 32…

A: Selenium is an element having atomic number 34. This means in a neutral Se atom, there are 34…

Q: How many grams of iron are needed to completely consume 46.5 L of chlorine gas according to the…

A: Stoichiometry of reaction

Q: AgNO3(aq) + K₂SO4(aq) 2AJ H3PO4 (aq) C2H6 (g) + 1504 NaOH (aq) + O2 (g) KNO3(aq) + Ag2SO4(s))…

A: Count the number of atoms of each element present on both sides of the reaction and then balance…

Q: 1. Diels-Alder reactions come in many different types. The following is an intramolecular example,…

A: A Diels-Alder reaction is the reaction between a conjugated dien and an alkene to form a six…

Q: Draw the skeletal structure of butan-1-amine from the condensed formula (shown below).…

A: Answer: Given compound is a primary amine compound containing 4 carbon atoms, 1 nitrogen atom and 11…

Q: The hydrogen atom has a volume of approximately 6.2 × 10-³1 m³. What is this volume in each unit?

A: 1 nanometer (nm) = 1 × 10-9 meter (m) So,  1 nm3 = (1×10-9 m)3 Or, 1 nm3 = 1×10-27 m3

Q: ▾ Part A Draw the resonance structure of the following substance. Interactive 3D display mode H3C…

A: Resonance structures represents a set of Lewis structures which shows the delocalization of…

Q: Iculate the atomic weight of Magnesium given the mass and natural occurrence of each tope. Express…

A: We have given the masses and isotopic abundance of three isotopes of magnesium. Isotopes of an…

Q: Convert to a bond line structure

A:

Q: Complete the following table to show what functional groups are present in each of the reagents and…

A: Functional group of organic compound represents the characteristic property of the compound. Some of…

Q: A sample of hydrogen gas that occupies a volume of 37.7 L at a temperature of 0 °C and a pressure of…

A: The number of moles of a gas is calculated using the ideal gas equation. The ideal gas equation is…

Q: a. What equation should the students use to calculate the percent yield?  b. Calculate the percent…

A:

Q: O · Η HIN 0 N name the non-alkane functional groups p

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Q: What is the correct order of carbon-carbon bond lengths in ethane, ethylene and acetylene.

A:

Q: How many molecules are contained in 38.33 grams if NO2? First determine the molar mass of NO2. Can…

A: Given, Mass of NO2 = 38.33 g  Atomic mass of N = 14.0067 g/mol  Atomic mass of O = 15.999 g/mol NA…

Q: The functional group(s) contained in the compound shown below is CH,NHCH,CH3 A) an amine. B) an…

A: Organic compounds are compounds which contain carbon and hydrogen. A functional group is a  moiety…

Q: 3. Draw the complete molecular orbital diagram (energy diagram like you have seen in class) for the…

A:

Q: Given the thermochemical equations X₂ + 3 Y₂2 XY3 X₂ +2Z₂ → 2XZ₂ - AH₁ = -390 kJ AH₂ = -160 kJ 2 Y₂…

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Q: At the following temperatures, is chloroform a solid, liquid, or gas? Drag the appropriate items to…

A: There are three phases of matter. The phase of matter can be interchanged by changing the…

Q: Students conducted an analysis of baking soda in chemistry lab. During the activity, they had to…

A: The closeness of measured value to a standard or true value known as accuracy. The closeness of two…

Q: Consider the reaction below: CaCO3(s) + 2H3O+ (aq) H=15.3kJ Since AH is a positive v a Therefore,…

A:

Q: 0.0001 0.8859 140 22.1214 What is the molarity of the fourth solution?

A: GIVEN Molarity Molarity (M) is the amount of a substance in a certain volume of solution. It is also…

Q: Which of the compounds below is an example of a network solid? A) C25H25(S) B) NaCl(s) C) SiO₂ (s)…

A: from the given options we have to identify the network solid

Q: The table shows the variation of the rate constant with temperature for the first-order reaction.…

A: We would use Arrhenius equation to check how we would use k and Temperature to plot a straight line…

Q: Draw an equivalent resonance structure that minimizes charge. Include all lone pairs in your…

A: Resonance structures can be defined as the structures that collectively represent a polyatomic ion.…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: How many grams of rubidium are in 3.49 x 1024 atoms of rubidium? Enter your answer in decimal form…

A: 1 mole atoms = 6.023 * 1023 atoms. molar mass of Rb = 85.4678 gmole  and mass of Rb = mole * molar…

Q: Add curved arrow(s) to draw the final step of the mechanism. 18rt Br 3-3 CH₂ H₂C Br H₂C

A:

Q: An average gas fireplace uses about 200 gallons (760,000 cm3) of propane gas per year. Assume that…

A: We would use ideal gas equation to calculate the mass of propane used .

Q: Why do you think the helium atoms repel each other? (be sure to include descriptions of relevant…

A: He atoms are repell because :

Q: (a) . OH محمد (q) HO 0 (d) ت -COH compound?

A: Nuclear magnetic resonance spectroscopy is branch of chemistry in which we deal with shielding and…

Q: Which structural formula represents an unsaturated hydrocarbon

A:

Q: Write the structural formula of the following ALKANES: (Not skeletal formula) 1. neopentane 2.…

A: Structural Formula  Chemical bonds connecting the atoms of a molecule are located in structural…

Q: Which of the following compounds would have the highest boiling point? OCH3CH2OH СН3СН3 СН3ОН…

A:

Q: Choose the Aromatic compound from the list below: O a) diethyl ether Ob) methanol O c) benzene d)…

A:

Q: Draw an “energy level diagram” for a calcium (Ca) atom. Can you help me, please? I need help

A:

Q: At -11.5 °C, a common temperature for household freezers, what is the maximum mass of sucralose…

A: Here the maximum depression of freezing point could be -11.5 oC, so we need to add the amount of…

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.