Chemistry

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A reaction with an activation energy of 65.4 kJ mol-1 has a rate constant of 1.15 s-1 at 354 K. At ... Started by piesebel	2 Replies 63 Views	Feb 27, 2021 by Alyssa Rose
A 3.20 g sample of pyrite (density = 4.5 g /mL0) is placed into a graduated cylinder with 15.64 mL ... Started by hubes95	5 Replies 524 Views	Feb 25, 2021 by ApplePie20
Assume that an aqueous solution of a cation, represented by shaded spheres, is allowed to mix with a ... Started by jazziefee	8 Replies 593 Views	Feb 20, 2021 by Abigail Smith
What is the name of the complex [Ni(H2O)4(NH2CH2CH2NH2)]SO4 5H2O? Started by cabate	4 Replies 467 Views	Feb 14, 2021 by Emma Kenna
How many products are formed from the monochlorination of ethylcyclohexane? Ignore stereoisomers. Started by jlmhmf	3 Replies 353 Views	Feb 7, 2021 by TOP MIND
Calculate the final temperature of a 63.7 g piece of palladium, originally at 100.0 C, placed inside ... Started by Yi-Chen « 1 2 All »	10 Replies 442 Views	Feb 2, 2021 by ndog.karswag
Calculate the mass of sodium cyanate (NaOCN, molar mass = 65.0066 g mol-1) required to lower the ... Started by altibaby	7 Replies 761 Views	Feb 2, 2021 by jw s
Calculate the enthalpy of solution for the dissolution of lithium iodide, LiI, molar mass = 133.85 g ... Started by torybrooks	2 Replies 137 Views	Feb 2, 2021 by Justess Lancia
A 125.0 mL sample of an aqueous solution at 25 C contains 29.4 mg of an unknown nonelectrolyte ... Started by rl	5 Replies 219 Views	Feb 1, 2021 by sarahhigdon
Arrange the following in order from most oxidized to least oxidized. Started by bcretired	3 Replies 924 Views	Jan 31, 2021 by Rawan Alnahrawi
How many H- ions are around each Na+ ion in NaH, which has a cubic unit cell with H- ions on each ... Started by danielfitts88	2 Replies 92 Views	Jan 31, 2021 by Clarrissia Harrison
Which of the following can function as a bidentate ligand? Started by frankwu	2 Replies 308 Views	Jan 25, 2021 by Roehrich81
What is the hybridization of the indicated atom ? CH3CH2CH2CH3 Started by eruditmonkey@yahoo.com	3 Replies 299 Views	Jan 23, 2021 by Esther Perez
A diode has a negative bias when the p-type semiconductor is attached to the ________ (negative, ... Started by sjones	2 Replies 62 Views	Jan 15, 2021 by Marvl Dnb
How many hydrogens in the compound shown below are replaced by Ds when it is shaken in D2O containing DO-? Started by Sportsfan2111	2 Replies 99 Views	Jan 14, 2021 by pepe gorrión
Choose the best Lewis structure for XeI2. Started by RODY.ELKHALIL	4 Replies 512 Views	Jan 11, 2021 by Xavier Butler
calculate the nuclear binding energy of Mg-24, which has an atomic mass of 23.98 Started by Jerome Hornilla	0 Replies 97 Views	Dec 19, 2020 by Jerome Hornilla
Calculate the volume of solution that has a vapour pressure of 31.27 mbar and contains 84.3 g of ... Started by crazycityslicker	4 Replies 296 Views	Dec 15, 2020 by big duck lol You
Which compound's carbonyl stretch occurs at the lowest wavenumber? Started by RODY.ELKHALIL	2 Replies 49 Views	Dec 8, 2020 by Nekolodion
Balance the chemical equation given below, and determine the number of milliliters of 0.00300 M ... Started by viki	2 Replies 101 Views	Dec 8, 2020 by JOHN COLEMAN
A certain solid has a density of 8.0 g/cm3. If 4.0 g of this solid are poured into 4.00 mL of water, ... Started by deesands	3 Replies 146 Views	Dec 7, 2020 by Joss L
Which orbital-filling diagram represents the anomalous ground state of chromium? Started by melina_rosy	5 Replies 451 Views	Dec 4, 2020 by Gabgon
Which orbital-filling diagram violates the Pauli exclusion principle? Started by Yolanda	3 Replies 237 Views	Dec 3, 2020 by David, Jr Beller
Assume that an aqueous solution of hydroxide ion, OH-, represented by unshaded spheres, is allowed ... Started by faduma	2 Replies 136 Views	Dec 1, 2020 by emily.kenoyer
An aqueous solution at 25.0 C contains [H+] = 0.085 mol L-1. What is the pH of the solution? Started by LaDunn	2 Replies 158 Views	Nov 30, 2020 by Joshua McClary