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serg [7]
4 years ago
5

Which are the main regions of the periodic table? A. metals, nonmetals, gases B. solids, liquids, gases C. metals, semimetals, n

onmetals
Physics
1 answer:
nlexa [21]4 years ago
8 0

Answer:

the answer is C.

Explanation:

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Alexxandr [17]
I am 100% sure its A.
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3 years ago
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9. Una jeringa contiene cloro gaseoso, que ocupa un volumen de 95 mL a una presión de 0,96 atm. ¿Qué presión debemos ejercer en
masha68 [24]

Answer:

2.61 atm

Ley de Boyle

Explanation:

P_1 = Presión inicial = 0.96 atm

P_2 = Presión final

V_1 = Volumen inicial = 95 mL

V_2 = Volumen final = 35 mL

En este problema usaremos la ley de Boyle.

\dfrac{P_1}{P_2}=\dfrac{V_2}{V_1}\\\Rightarrow P_2=\dfrac{P_1V_1}{V_2}\\\Rightarrow P_2=\dfrac{0.96\times 95}{35}\\\Rightarrow P_1=2.61\ \text{atm}

La presión ejercida sobre el émbolo para reducir su volumen es de 2.61 atm.

4 0
3 years ago
Hello please help i’ll give brainliest
KatRina [158]

Answer:

Antarctica and Australia were one landmass millions of years ago

Explanation:

Thats the answer I'm very sure of it

5 0
3 years ago
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Salamanders do not undergo metamorphosis.<br><br> A. True<br> B. False
Hoochie [10]
B......................... <span>Yes they do!</span>
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4 years ago
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Positions B and D are 11.3 meters and 1.9 meters above the playing field, respectively. If the ball had a speed of 6.2 m/s in po
Andreyy89

Answer:

Speed of the ball in position D =14.92 \frac{m}{s}

<u>Explanation:</u>

Given:

Position of B=11.3\text { meters }

Position of D=1.9\text { meters }

Velocity of B=6.2\text { meters }

To Find:

Velocity of D

Solution:

According to the formula, Velocity is given as

V d=\sqrt{\left[V b^{2}+(2 \times g \times d y)\right]}

V b=Velocity of B

V d=Velocity of D

g=acceleration due to gravity=9.8 m/s^2  

d y=Change in position of B and D

Substitute the all values in the above equation we get  

d y=11.3-1.9

V d=\sqrt{\left[6.2^{2}+(2 \times 9.8 \times(11.3-1.9))\right]}

=\sqrt{[38.44+(2 \times 9.8 \times(9.4))]}

=\sqrt{[38.44+(19.6 \times 9.4)]}

=\sqrt{38.44+186.24}

=\sqrt{222.68}

=14.92 \frac{m}{s}

Result :

The velocity of D is =14.92 \frac{m}{s}

5 0
3 years ago
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