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The normal freezing point of water is 0.00°C. Calculate the expected freezing point of a water solution prepared by dissolving 57.3 g of MgCl2 (molar mass: 95.211 g/mol) in 350.4 g of water. Assume that

Thibaultbl asked Dec 23, 2024

by Thibaultbl

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Calculate (in MeV ) the total binding energy for 40 K. Express your answer in mega-electron volts to four significant figures. BI V Part D Calculate (in MeV ) the binding energy per nucleon for 40 K. Express

Justin Ward asked Dec 23, 2024

by Justin Ward

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Three elements from the periodic table whose symbols are not made up from letters of the element's name. Reasearch why the chemical symbol for the element was selected. Summarize your findings in a table

Claudio asked Dec 23, 2024

by Claudio

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Which molecule or ion has a trigonal pair shape? a. H₂S b. PCl₅ c. SO₃ d. ClO₄-

Quaabaam asked Dec 23, 2024

by Quaabaam

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Which of the following is an amphoteric species? 1) H₂So3 2) hso3- 3) SO₃²⁻

Christianna asked Dec 23, 2024

by Christianna

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5 votes

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Which element is classified as a noble gas? CI Xe Mark this and return Save and Exit Next

Twedl asked Dec 23, 2024

by Twedl

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3 votes

168k views

The process by which rocks are broken down

Bryan Elliott asked Dec 23, 2024

by Bryan Elliott

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1 answer

5 votes

109k views

What is the type of crystal structure in magnesium oxide and why does it have a high melting point? a) Type of crystal structure: Ionic b) Type of crystal structure: Covalent c) Type of crystal structure:

Technophobia asked Dec 23, 2024

by Technophobia

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Given the following reaction: 2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g) ∆H = -2511.6 kJ What is the energy change when 7.76 g of C₂H₂ react with excess O₂?

Jfawcett asked Dec 23, 2024

by Jfawcett

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5 votes

65.7k views

Does Al or B have a larger atomic radius

Anuga asked Dec 23, 2024

by Anuga

8.5k points

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1 vote

166k views

A *highly reactive metal of low density*. It is one of three main elements found in *fertilizer*.

Nickromano asked Dec 23, 2024

by Nickromano

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Which of the following nonmetals will form an ionic compound with Sc(3⁺) that has a 1:1 ration of cations to anions? a) Na b) F c) O d) N

Sindhu S asked Dec 23, 2024

by Sindhu S

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It's okay to burn pallets. 1.True. 2.False.

Ltuska asked Dec 23, 2024

by Ltuska

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In the following reaction, 20.0 g of al will react completely with 30.0 g of Br₂. 2al 3Br₂ → 2AlBr₃. What is the mass of AlBr₃ produced?

Hossein Piri asked Dec 23, 2024

by Hossein Piri

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123k views

Identify and describe three types of chemical reactions important to human physiology." a) Synthesis, Decomposition, Oxidation b) Exothermic, Endothermic, Neutralization c) Hydrolysis, Dehydration, Redox

Xanco asked Dec 23, 2024

by Xanco

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The phospholipid molecule has two ends, the nonpolar charged end and the polar uncharged end. a. True b. False

DrAlberT asked Dec 23, 2024

by DrAlberT

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A 1-L sample of CO initially at STP is heated to 546 K, and its volume is increased to 2 L. What effect do these changes have on the number of collisions of the molecules of the gas per unit area of the

Lokesh Kumar Gaurav asked Dec 23, 2024

by Lokesh Kumar Gaurav

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202k views

Mercury is a fascinating element. Of all the metal elements, mercury is the only one that is liquid at room temperature; the rest are all solid. However, mercury is also capable of existing in the solid

Hasan Bou Taam asked Dec 23, 2024

by Hasan Bou Taam

8.0k points

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5 votes

39.5k views

How many atoms are in 3.1 moles of F

Sherron asked Dec 23, 2024

by Sherron

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60.7k views

The area around the nucleus of an atom is where the atom's electrons are most likely to be found. a. True b. False

Bstoney asked Dec 23, 2024

by Bstoney

7.8k points

1 answer

2 votes

210k views

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