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Anestetic [448]
3 years ago
10

Please help if you can.

Chemistry
1 answer:
IrinaVladis [17]3 years ago
3 0

Answer: i thought i knew but nver mind but on the last won it is c i belive

Explanation:

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Which of the Atoms shown has an atomic number four
dimulka [17.4K]

Answer:

B

Explanation:

Atomic # = Protons

it says 4 p in the inside of the orbital

4 0
3 years ago
The volume of a sample of oxygen is 300.0 mL, when the pressure is 1.00 atm and the temperature is 300K. At what pressure will t
Brut [27]

Answer:

The new pressure is 0.5 atm

Explanation:

Step 1: Data given

Volume of oxygen = 300 mL = 0.300 L

Pressure = 1.00 atm

Temperature = 300 K

The volume increases to 1000mL = 1.00 L

The temperature increases to 500 K

Step 2: Calculate the new pressure

(P1*V1)/T1 = (P2*V2)/T2

⇒with P1 = the initial pressure = 1.00 atm

⇒with V1 = the initial volume = 0.300 L

⇒with T1 = the initial temperature = 300 K

⇒with P2 = the new pressure = TO BE DETERMINED

⇒with V2 = the increased volume = 1.00 L

⇒with T2 = the increased temperature = 500 K

(1.00 atm* 0.300 L)/300 K = (P2 * 1.00L) / 500 K

P2 = (1.00 *0.300 * 500) / (300 *1.00)

P2 = 0.5 atm

The new pressure is 0.5 atm

4 0
3 years ago
What are the steps to go from the names of compounds to the formulas
marysya [2.9K]

Answer:

Explanation:

write down the formulas, use the expressions and formulas to convert

4 0
3 years ago
What energy conversion takes place<br> as a leaf falls to the ground?
Zigmanuir [339]

Answer:

<h3>The answer is kinetic energy</h3>

Explanation:

<h2>The answer is Kinetic Energy because take for an example,  When an apple falls from the tree to the ground, its energy of position is then made into kinetic energy, the energy of motion, as it falls to the ground. </h2>

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Hope this helps! Give me Brainliest if u can!

4 0
3 years ago
Read 2 more answers
What is the new pressure if a gas takes up 350.0 mL of space at 745.0 mmHg and is pushed into 340.0 mL of space?
dolphi86 [110]
Hope this helps you please mark as brainliest

4 0
3 years ago
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