In the phase diagram below, the temperature at which this substance reaches its melting point is °C, while the temperature at which the substance reaches its boiling point is °c. 1.0 0.5 -110° -15° -10 140 Temperature (C) (une) amssard

Q: What does "X" represent in the following symbol? 28 14 X O silicon sulfur O nickel O nitrogen

A: "X” represent in the 28X14 symbol = ?

Q: HO- Na,Cr,07 H,SO,,HO

A: Cyclopentylmethanol on treatment with Na2Cr2O7/H2SO4, H2O produces cyclopentanecarboxylic acid.

Q: What is the name of the element that is in group 1A and period 1? What is the name of the element…

A:

Q: Using white and black circles to represent different kinds of atoms, make a drawing that accurately…

A: Given samples of matter,         A solid element, a liquid compound, and a heterogeneous mixture.

Q: In Mexico the cost of avocados are 48 pesos per kg. What is the cost in cents of an avocado that…

A: Question 1: Cost of Avocados in Different CurrenciesIn this question, we'll convert the cost of…

Q: HNO3 NBS H,SO4 light AICI3 Fe HCI

A: Chemical reaction:

Q: 26 1 0 14.12Mg+On → le+. O26 11 Na O 27 13 Al 27 11 Na O O 27 12Mg

A: The Correct Answer is Option C Na [ Mass Number- 27 & Atomic Number - 11]

Q: What is the key difference between an element and a com-pound?

A: The differences between  element and a com-pound are:

Q: X Select the 4 properties of metals * Hard Conducts electricity Smells bad Does NOT conduct heat…

A: Metals are those substances which usually lose there valence electrons to form compounds.

Q: Which of the following is a relative dating method technique? Group of answer choices Carbon-14 K/Ar…

A: Relative dating is determining whether an object or event or is older or younger than other objects…

Q: MULTIPLE CHOICE QUESTION Dalton discovered that all compounds are made of elements molecules other…

A: Given,  Dalton discovered that all compounds are made of

Q: information, deduce the formulas for compounds with the following codes: (a) 12 (b) 113 (c) 123 (d)…

A: The chemical formula for the chlorofluorocarbons = 90+ codeFrom the numeral,the first digit in the…

Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27…

A: Below attached file showing the details answer. All the best.

Q: g and a small airplane has a mass of 5000. kg. An aluminum atom has a mass of 4.48 × 10 Use this…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Name each of the following elements : As, I, Xe, He, C, Si

A: Name of the given element- As = Arsenic I= Iodine Xe= Xenon

Q: 6. Silver has two naturally occurring isotopes with the masses and natural abundances as shown in…

A: Welcome to bartleby !

Q: A Ca(OH)2 tablet has 360 grams of Calcium. What is the mass of tablet in milligrams? My Ca=40.078…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: Can you identify to which Minutiae each lines it point to?

A: 1Ridge2Island3Bifurcation4Delta5Core (Whorl)6Bifurcation7Independent…

Q: What is the size in cub

A: Given that, the size of the tank of a car is 5840 cm3. We have to calculate the size in cubic inch.

Q: What is the name of the alkali metal that is in period 3? What is the name of the halogen that is in…

A: The above question is based in preodic table. A period  is a row of chemical elements in the…

Q: Give the IUPAC name of each compound. Part 1 of 4 Part 2 of 4 ☑ Ar كا B 000 00

A: Standard rules of IUPAC for cyclic are used.  Feel free to ask for clarifications if necessary.

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BC NO F Ne Na Mg 3B 4B 5B 6B 7B - 8B ¬ 1B 28 A1 Si PS CI Ar K Ca…

A: 1. The  electron configuration of silicon atom  number of electrons in Si atom= 14 In order to write…

Q: Matter consists of tiny particles that can combine in specific ratios to form substances with…

A: A theory gives us a well-structured explanation of an observed phenomenon that is confirmed through…

Q: Show all your work on a sheet of paper to solve the following problem. Full credit is based upon the…

A:

Q: 1012 m 3= m Enter the full name of the unit.

A:

Q: What unit is used to measure weighted average atomic mass? angstrom amu O gram nanogram O milligram

A: Weight average mass basically represent the atomic mass of a element or atom.

Q: 23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

A:

Q: An oceanographer creates a model of a wave tank with a sand table to simulate beach erosion. What…

A: Here, the oceanographer creates the model to simulate beach erosion.

Q: A computer flashdrive has a mass of 3.45 g. What is the mass of the flashdrive in decigrams (dg)?…

A:

Q: In this station, you will find an empty box that contains air. The density of air is 1.19 g/L. It is…

A: The number of moles of a substance represents the amount of a substance, which consists of…

Q: (02), and sulfur dioxide (SO₂) gases. Which of these balloons are filled with pure elements? He SO₂…

A: Elements are made up of from pure atoms where as molecule are made up of pure atom or mixture of…

Q: O 234 Th е + -1 234 Ра 91 90 O 234 Ра 230 4 Ас + Ac 91 89 O 175 Pt 4 Не + 2 171 Os 76 78 O 14 14 В +…

A: Lat equation contains error as it does not follow mass conservation

Q: Classify each element as a metal or nonmetal. Metal Nonmetal Mg Cr Pt CI Answer Bank

A: All first and second A group elements are metals  D and F block elements are metals  In P block…

Q: Which of the following notations is invalid (contains an error)? 107 Pd 46 32 CI 16 81 35 Br- O}H+

A: The answer is B

Q: 27 Al 3t 13   what is the number of proton neutron and electron

A: Given, the element is 13Al27.