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Elodia [21]
3 years ago
7

Answer question 4 please and 5

Chemistry
1 answer:
seropon [69]3 years ago
5 0
Its me and me= me.serdtghmjhgfdsaazSDFGHYYUJYHGFDSXAZSDFGHYUJIKUJYHGTFDSXAZSXDCFGHJIKUJHGGFVCDXZVFGHYU7GBFVC  CVFGTY67YTGFVC VFGTY56YTGBV VBG
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Which two observations below can be evidence that a chemical change has occurred
larisa86 [58]
Vaporization and Production of bubbles. Production of heat and melting are physical changes
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2 years ago
A sample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 K. What is the new pressure when the t
Sergio039 [100]

<span>The combined Boyle's and Charles' gas law says P1V1/T1 = P2V2/T2 </span>

<span>In this case we have (2.5 atm) (900 ml) / 298 K = (P2) (450 ml) / 336 K -----> </span>
<span>7.55 = 1.34P2 -----> P2 = 7.55 / 1.34 = 5.63 atm</span>
5 0
2 years ago
A partir de la desintegración del Virreinato del Río de la Plata y durante todo el siglo XXI, los nuevos Estados nacionales que
nalin [4]

Answer:

Verdadero (True).

Explanation:

Después de la desintegración del citado virreinato, los nuevos Estados intentaron establecer sus fronteras, a menudo a través de guerras e invasiones. Cabe destacar la invasión brasileña de Uruguay o la Guerra de la Triple Alianza. En menor medida, lo hicieron a través de tratados internacionales. (After the disolution of the viceroyalship described above, the new States attempted to establish their frontier usually by wars and invasions. It is to highlight the Brazilian invasion of Uruguay or the Triple Alliance' War. In a lesser extent, they made it through international treaties.)

3 0
3 years ago
You would be most likely to use a slicing machine if you were using the __________ method to produce cookies.
Verizon [17]

You would be most likely to use a slicing machine if you were using the <u>icebox </u>method to produce cookies.

In the icebox method a type of cookie in which the dough is made, rolled into a stick, and refrigerated until the dough hardens. The dough can be removed from the refrigerator, cut into individual pieces, and then baked. The rest of the dough is returned to the refrigerator until needed.

Icebox method, also known as refrigerator cookies, are sliced ​​and baked cookies. The dough is formed into logs, chilled in the refrigerator (also called an icebox), sliced ​​, and then baked.

Learn more about the Icebox method here,

https://brainly.in/question/1513677

#SPJ4

7 0
1 year ago
A form of carbon in which carbon atoms are arranged in a (n)__
abruzzese [7]

graphite is a form of carbon in which carbon atoms are arranged in a layer.

4 0
3 years ago
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