Chemistry

Chemistry
nelliebell
2021-03-18 14:07:12
28 Which compound yields H + ions as the only positive ions in an aqueous solution? (1) KOH (3) CH3OH(2) NaOH (4) CH3COOH...
ANSWER
Chemistry
Weeksellie
2021-03-18 13:55:27
4 When an excited electron in an atom moves to the ground state, the electron (1) absorbs energy as it moves to a higher energy state (2) absorbs e...
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Chemistry
Celesteetf
2021-03-18 13:31:57
22 In terms of entropy and energy, systems in nature tend to undergo changes toward(1 ) lower entropy and lower energy (2) lower entropy and higher ...
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Chemistry
sheneemiller65
2021-03-18 13:20:12
17 Which compound has the strongest hydrogen bonding between its molecules? (1) HBr (3) HF (2) HCl (4) HI...
ANSWER
Chemistry
crystalcollier33
2021-03-18 13:08:27
48 When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases(1) an alpha particle ...
ANSWER
Chemistry
Mita
2021-03-18 12:09:42
14 Which property is a measure of the average kinetic energy of the particles in a sample or matter? (1) mass (2) density (3) pressure (4) temperatu...
ANSWER
Chemistry
leela
2021-03-18 11:46:12
The standard unit for measuring mass is the gram. a. True b. False...
ANSWER
Chemistry
KaLamazoo
2021-03-18 11:34:27
46 A 10.0-milliliter sample of NaOH(aq) is neutralized by 40.0 milliliters of 0.50 M HCl. What is the molarity of the NaOH(aq)?(1) 1.0 M (3) 0.25 M(2...
ANSWER
Chemistry
Annacorado57Anna
2021-03-18 11:22:42
what orbits the nucleus of an atom?...
ANSWER
Chemistry
karolinemon
2021-03-18 10:47:27
43 A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?(1) The mass of the sample decre...
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Chemistry
symairriles
2021-03-18 10:00:27
11 The greatest amount of energy released per gram of reactants occurs during a(1) redox reaction (2) fission reaction (3) substitution reaction (...
ANSWER
Chemistry
Nila380
2021-03-18 09:48:42
13 Compared to the physical and chemical properties of the compound NO2 the compound N2O has(1) different physical properties and different chemical ...
ANSWER
Chemistry
cindyandtim2002
2021-03-18 09:36:57
16 Two grams of potassium chloride are completely dissolved in a sample of water in a beaker. This solution is classified as (1) an element (2) a c...
ANSWER
Chemistry
ZyZy04
2021-03-18 08:38:12
In the 1830s, President Andrew Jackson supported the Indian removal policy because (1) white settlers desired the land on which Native American In...
ANSWER
Chemistry
Cecilia974
2021-03-18 07:04:12
One immediate result of Alexander Hamilton’s financial plan was the (1) removal of the tax on exports (2) creation of a national bank (3) adopt...
ANSWER
Chemistry
yasemina88
2021-03-18 05:53:42
Which power regarding the federal judiciary was established in Marbury v. Madison? (1) The president appoints all federal judges. (2) The Congress...
ANSWER
Chemistry
JanettPerretti
2021-03-18 03:09:12
The passage of the USA Patriot Act of 2001 and the creation of the Department of Homeland Security reflect the determination of the United States ...
ANSWER
Chemistry
RickieMao
2021-03-18 01:58:42
How do ionic bonds affect the properties of ionic compounds? A) The bonds weakly hold ions together, increasing the melting point. B) The bonds str...
ANSWER
Chemistry
jocelyn10034
2021-03-17 22:38:57
The Granger movement and the formation of the Populist Party were similar in that each was an effort to (1) end the practice of sharecropping (2)...
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Chemistry
feruza775
2021-03-17 22:27:12
— Treaty of Oregon established northern boundary of Oregon Territory....
ANSWER
Chemistry
Ryther7
2021-03-17 22:15:27
In which compound do atoms form bonds by sharing electrons A) H2O B)CaO C) Na2O D) MgO...
ANSWER
Chemistry
Startx
2021-03-17 21:16:42
what elements are in olive oil? i am really thankful if u answer this :) ( all elements in olive oil )...
ANSWER
Chemistry
20jstephensjilly
2021-03-17 20:41:27
The time line shows that the major way the United States gained territory in the early 19th century was through (1) war (3) executive orders (2) ...
ANSWER
Chemistry
Johnzurlo03
2021-03-17 20:29:42
A substance that contains hydrogen that may be replaced by a metal is a/an...
ANSWER
Chemistry
Inaki
2021-03-17 19:19:12
Which occurs when two fluorine atoms react to produce a fluorine molecule? (1) Energy is absorbed as a bond is broken. (2) Energy is absorbed as a ...
ANSWER