What might happen to your melting points if you do not cool the MelTemp between runs? The melting point range might be too broad. They could be too low. The sample might precipitate instead of crystallizing. They could be too high.

Q: Complete the table by filling in the name or chemical formula of each compound, whichever is…

A: A chemical bond in which atoms share electron pairs is known as a covalent bond, sometimes known as…

Q: if magnesium sulfate is mixed with water, will it form a homogeneous or heterogeneous solution? Why?

A: Given : We have to tell whether the mixture of magnesium sulfate and water is homogenous or not.

Q: Find the theoretical density of aluminum given the table below and atomic mass of aluminum of 26.98…

A: Answer: Aluminum has FCC crystal packing in which atoms are present at the vertices and center of…

Q: Boron nitride is the second hardest substance known (next to diamond). It has a very high melting…

A: Most stable boron nitride exists in hexagonal shape. Its chemical formula is BN .Shape of boron…

Q: Question attached

A: Ionic strength (Electrolyte strength) of a compound is given by: μ=12×∑concentration×Charge2  1)…

Q: 2. List four properties of molecular compounds: i. ii. iv.

A: The question is based on the concept of chemical bonding. we need to write the characteristic…

Q: A(n) ___________ is the smallest unit of a compoundformed by the union of two or more atoms

A: A molecule is an electrically neutral group of two or more atoms which are held together by chemical…

Q: 11. Hydrogen chloride is a compound. a. Draw a diagram to show how the electrons are arranged in a…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 17-112 Assign an IUPAC name to each of the following amides. a. `NH; b. с. `NH2 d. 'N.

A: IUPAC name of the organic compound is composed of the following three components: Root name =…

Q: Safety: While these are household items that you could easily purchase at the store, please…

A: #Q.1:  Your calculation for #Q.1 is correct which is 7.95 g

Q: 1. Which state of matter has a definite shape and volume ? * a. gas b. liquid C. solid d. both…

A: Since you have posted a question with multiple parts, we can solve only first three parts for you.…

Q: Which of the following best describes the role of the condenser in the distillation set-up? O A. The…

A: The concept used in this question is taken from distillation process of separation.  Here in this…

Q: 7. Identify the polyatomic cation:

A:

Q: Part A Classify each of the following as ionic or molecular. Drag the appropriate items to their…

A: Given: Some of the compounds are given  To find: Whether the compounds are covalent or Ionic in…

Q: what are the current distillation technologies used for ethanol and water in the industry?

A: Microbubble Distillation for Ethanol-Water Separation Distillation technique iso ne of the oldest…

Q: When charges move it's called a current. O True False

A: Given statement is, When charges move it's called a current.

Q: What is the correct formula? a. C10H14 b. C10H8 c. C10H12 d. C10H10

A:

Q: discovered

A: Dear student I have given answer to your question in the image format.

Q: A hydrate initially weighs 5.672 grams and is heated.  After heating, it weighs 4.483 grams.…

A: Given ,Initial hydrate weighs = 5.672 gAfter heating weighs = 4.483 gSo,mass in water form = Initial…

Q: 1.) MeMgBr (excess) 2)H, HO 3.) NaH 4.) CH "R" abbreviation for answers b.)

A: The question is based on the concept of organic reactions.   we have to identify the Product formed…

Q: | Which one of the following is often easily separated into its components by simple techniques such…

A: The combination of two or more substances without the participation in the chemical reation yields a…

Q: Solubility of Liquids in Liquids Pour 5 mL of rubbing alcohol into an equal volume of water and…

A: Given liquids: Water: H2O Alcohol: R-OH In this activity,  1. 5 mL of alcohol is added to 5 mL…

Q: What two pieces of information a melting point determination provide?

A: Melting point is the point of a certain temperature at which a solid material turns into a liquid…

Q: Using the following models of solutions shown at the particle level, indicate which will conduct…

A: Electricity is conducted by solutions due to the presence of ions. So, it can be said that only…

Q: Why does distilled water not conduct electricity, whereas rain water does?

A: Given: Distilled water does not conduct electricity whereas rain water does conduct.

Q: Most molecules/compounds that have a mass similar to water are gaseous at room temperature, what…

A: Water is liquid at room temperature.

Q: Lithium has an atomic radius of 0.152 nm, a BCC crystal structure, and an atomic weight of 6.941…

A: 1. Theoretical Density of Lithium:Lithium has a body-centered cubic (BCC) crystal structure. To…

Q: Below are three statements - two of which are truths and one is a lie. Which of the following…

A: Polarity of bonds

Q: What do you think will be formed when you mix NaCl crystals with water? Can you separate them? if…

A:

Q: Explain what experiment can we use to determine chemical structure based on melting point

A: The melting point of a Substance is defined as the temperature in which Solid substance converts…

Q: Use the Crossover Method to determine the following ionic chemical formula.a. iron(III) sulfideb.…

A: a. Fe2S3 (iron(III) sulfide) b. CaH₂ (calcium hydride) c. Mg3N2 (magnesium nitride) d. AlF₃…

Q: What is the coefficient that should be placed in front of hydrobromic acid (HBr)? * 1p H3PO4 + NaBr…

A: Explanation H3PO4 is a strong acid, it reacts with sodium bromide(NaBr). This reaction produce HBr…

Q: но CI Н. c=c Hi

A: In case of cyclic system, the ring is considered as a parent chain and we use cyclo as a root name.…

Q: A. Number and/or color of unknown hydrated salt B. Mass of beaker and cover C. Mass of beaker, cover…

A:

Q: Subtract. 2 1 7 2 Wite your answer in simplest form. 10 Explanation Recheck

A:

Q: A 100 mL solution of theobromine in water is made, and the solution has a density of 1.16 g/mL. If…

A: Given: Density of theobromine solution = 1.16 g/mL The density of water = 1g/mL, To calculate:…

Q: You are given a list of binary compounds (only two different elements) and asked to determine the…

A: The least energy needed in state conversion (solid to liquid) is denoted as heat of fusion. This…

Q: ater is a good solvent for ionic compounds because water is a polar liquid. True or Fl

A: Ionic compounds possess ions that have a tendency to lose and gain electrons.

Q: In the lab, you make a single measurement and find the density of methanol to be 0.7 g/mL. The true…

A: Given:-density of methanol(measured value)=0.7 g/mL true value for the density of methanol=0.7 g/mL

Q: . Describe the appearance of the drops of water, ethyl alcohol, and kerosene on wax paper. 2. Do…

A: Hydrophilicity: Molecules have a strong affinity to water i.e. water-loving Hydrophobicity:…

Q: 2) If an unknown Cu*2 solution has an absorbance of .62, a) Find its molarity graphically: A M b)…

A:

Q: 2. Structure E is a form of carbon. What is the name of this structure? A. carbide B. graphite Put a…

A: An element is a pure substance made up of only one kind of atom. The elements can be categorised…

Q: QUESTION 27 Which of the following illustrates an equatorial OH? HO All B. III OC.M COD.I 11 E III…

A: Conformational isomers are formed by the rotation of a carbon-carbon single bond in a compound. In…