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NeTakaya
3 years ago
12

A particular uranium alloy has a density of 18.75 g/cm3.

Chemistry
1 answer:
soldi70 [24.7K]3 years ago
5 0

<em>I</em><em> </em><em>DONT</em><em> </em><em>KNOW</em><em> </em><em>THE</em><em> </em><em>ANSWER</em><em> </em><em>OF</em><em> </em><em>NO</em><em>.</em><em>B</em>

<em>SO</em><em> </em><em>SORRY</em><em> </em><em>FOR</em><em> </em><em>THAT</em><em>!</em><em>!</em><em>!</em>

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Si una masa dada de hidrógeno ocupa 40 litros a 700 grados torr. ¿Qué volumen ocupará a 1 atmósfera de presión? (dar la presión
Svetach [21]

Answer:

V_2=36.84L

Explanation:

Hola,

En este caso, podemos usar la ley de Boyle, la cual nos permite analizar el comportamiento volumen-presión en un gas ideal de manera inversamente propocional:

P_1V_1=P_2V_2

Así, dado el volumen y la presión inicial, la cual se convierte a atmósferas (760 torr = 1atm), calculamos el volumen final a 1 atm como se muestra a continuación:

V_2=\frac{P_1V_1}{P_2}=\frac{700torr*\frac{1atm}{760torr}*40l }{1atm}\\  \\V_2=36.84L

Saludos!

7 0
3 years ago
Read 2 more answers
What is the one thing that happens in every chemical change?
Sedbober [7]

Answer:

Explanation:

Chemical reactions involve combining different substances. The chemical reaction produces a new substance with new and different physical and chemical properties. Matter is never destroyed or created in chemical reactions. The particles of one substance are rearranged to form a new substance.

7 0
3 years ago
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How many oxygen atoms are there in the following compound: 2HNO3<br> 3<br> 5<br> 6<br> 12
Fudgin [204]

Answer:

6

Explanation:

There is 2 of the coumpond, in one compound, there are 3 oxygens. But when there are two, it is 6.

7 0
3 years ago
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Which is a chemical property of oxygen?
Troyanec [42]

Answer: I think the answer is 1

i just learned this about two weeks ago

Explanation:

5 0
3 years ago
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A 65.0-gram sample of some unknown metal at 100.0° C is added to 100.8 grams of water at 22.0° C. The temperature of the water r
vampirchik [111]
We do a heat balance to solve this:
(m cp ΔT)water = -(m cp ΔT)metal
100.8 (4.18) (27 - 22) = -65 (cp)(27-100)
cp = 100.8 (4.18) (27 - 22) / (-65 (27-100))
cp = 0.44 J/ (°C × g)

The specific heat of the metal is 0.44 J/ (°C × g)
5 0
3 years ago
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