Chemistry

Chemistry
deltadeir1
2021-02-08 18:16:33
a ___ is made of the interactions of biotic and abiotic factors in their environment...
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Chemistry
catbug
2021-02-08 16:19:03
Which of the following does not contain carbon from the bodies of plants and animals that died millions of years ago? oil natural gas coal phosph...
ANSWER
Chemistry
mikey606ocon
2021-02-08 10:50:03
What occurs in order to break the bond in a Cl2 molecule? (1) Energy is absorbed.(2) Energy is released.(3) The molecule creates energy.(4) The mole...
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Chemistry
loubanbranika
2021-02-08 09:51:18
Identify three nonliving parts of an ecosystem. then explain how the nonliving parts impact the different kinds of organisms that live in the ecosyst...
ANSWER
Chemistry
97countrygirl
2021-02-08 09:04:18
Who was responsible for the rehabilitation of Sufism in the twelfh century? A. Gilani B. Al-Ghazali C. Al-Andalus D. Al-Hallaj...
ANSWER
Chemistry
liltony
2021-02-08 07:53:48
What is the minimum amount of heat required to completely melt 20.0 grams of ice at its melting point? (1) 20.0 J (3) 6680 J (2) 83.6 J (4) 45 200 ...
ANSWER
Chemistry
Trula533
2021-02-08 02:01:18
Na and Cl- are ions formed from _____. salt dissolved in water chlorine dissolved in water cations anions...
ANSWER
Chemistry
Georgie
2021-02-07 21:31:03
Which of the following Group 2 elements has the lowest first ionization energy? (1) Be (3) Ca (2) Mg (4) Ba...
ANSWER
Chemistry
higginio
2021-02-07 20:55:48
How many moles are in 1.1g of FeCl3...
ANSWER
Chemistry
wot
2021-02-07 18:23:03
what is it called when a consume wastes and dead organisms??????...
ANSWER
Chemistry
Dayna280984
2021-02-07 14:39:48
Which element is a liquid at 758 K and standard pressure? (1) gold (3) platinum (2) silver (4) thallium...
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Chemistry
Lattanzio631
2021-02-07 14:04:33
The evidence is conclusive; aggression and violence in the media lead to aggression and violence in the general population....
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Chemistry
mjhysb
2021-02-07 11:08:18
The world population is expected to reach ___________ by the year 2050. a. 4 billion c. 7 billion b. 6 billion d. 9 billion...
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Chemistry
keda1230
2021-02-07 08:47:18
At 50.oC and standard pressure, intermolecular forces of attraction are strongest in a sample of(1) ethanoic acid (2) ethanol (3) propanone (4) water...
ANSWER
Chemistry
rats
2021-02-06 23:58:33
In a nuclear fusion reaction, the mass of the products is(1) less than the mass of the reactants because some of the mass has been converted to ener...
ANSWER
Chemistry
ZofiaAndreozzi
2021-02-06 18:06:03
Which of the following occurs when an electron moves from a higher energy shell too a lower energy shell...
ANSWER
Chemistry
Marlee86
2021-02-06 15:56:48
What does diffusion and active transport have in common...
ANSWER
Chemistry
nicks1436
2021-02-06 15:09:48
how are waxing and waning different...
ANSWER
Chemistry
annasilverman84
2021-02-06 14:34:33
Which energy changes in the enthalpy of solution are endothermic, and which are exothermic?...
ANSWER
Chemistry
derekross
2021-02-06 07:43:18
every chlorine atom has...
ANSWER
Chemistry
Nini123456
2021-02-06 06:09:18
How any electrons are shared in the covalent bond of two nitrogen atoms to form a nitrogen molecule? A. 2 B. 4 C. 6 D. 8...
ANSWER
Chemistry
dorciane
2021-02-05 20:57:03
Is this statement true or false? Lemonade crystals added to hot water will dissolve faster than when added to cold water...
ANSWER
Chemistry
dyer401
2021-02-05 20:45:18
Place the following substances in the following order: soluble, somewhat soluble, and insoluble. A. sand, sugar, cornstarch B. sand, cornstarc...
ANSWER
Chemistry
kmsccm
2021-02-05 20:33:33
which of the following correctly shows a prefix used in naming a binary molecular compound along with its corresponding number? Penta-,6; hexa-,4; de...
ANSWER
Chemistry
cease64
2021-02-05 20:10:03
Which is considered an Cation, H+ CI⁻ Ne He...
ANSWER