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Effectus [21]
2 years ago
5

The planets which lie beyond the asteroids are called the _____ planets.

Chemistry
2 answers:
scoray [572]2 years ago
8 0
It is different everywhere you look but it's mainly asteroid belt  <span />
irina [24]2 years ago
8 0
<span>it's mainly asteroid belt but it depends where you look
  </span>
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3. Which element is most important for growing crops?
madreJ [45]

Answer:

B. hydrogen

Explanation:

that's because hydrogen is an element.

8 0
3 years ago
A 8.46 L sample oxygen gas at 267K and 1.23 atm is heated to 295K. If the volume changes to 6.98L, what is the new pressure?
horrorfan [7]

Answer:

The new pressure is 1,65 atm

Explanation:

We use the gas formula, which results from the combination of the Boyle, Charles and Gay-Lussac laws. According to which at a constant mass, temperature, pressure and volume vary, keeping constant PV / T.

(P1xV1)/T1= (P2xV2)/T2

(1,23atmx 8,46L)/267 K = (P2 x 6,98L)/ 295K

0,039 atmx L/K = (P2 x 6,98L)/ 295K

P2=(0,039 atmx L/K)x 295K/6,98L =1,65 atm

7 0
3 years ago
At what temperature does uranium hexafluoride have a density of 0.5820 g/L at 0.5073 atm?
Svet_ta [14]

Answer:

4204 K

Explanation:

Step 1: Data

<em>Given data</em>

  • Density of uranium hexafluoride (ρ): 0.5820 g/L
  • Pressure of uranium hexafluoride (P): 0.5073 atm

<em>Required data</em>

  • Universal gas constant (R): 0.08206 atm.L/mol.K
  • Molar mass of uranium hexafluoride (M): 352.02 g/mol

Step 2: Calculate the temperature of the gas

We will use the following expression derived from the ideal gas equation.

P × M = ρ × R × T

T = P × M/ρ × R

T = 0.5073 atm × (352.02 g/mol)/(0.5820 g/L) × (0.08206 atm.L/mol.K)

T = 4204 K

8 0
3 years ago
According to the pH chart, which is the strongest base?
Gnoma [55]

Answer:

NaOH

Explanation:

HCl is a strong acid

Blood has a pH around 7.35, making it only slightly basic

Saliva has a pH around 6.7, making it slightly acidic

4 0
3 years ago
Read 2 more answers
To the nearest 0.5 mL, what is<br> the water volume in the<br> graduated cylinder?<br> mL?
AnnZ [28]

Answer:

14cm^3

Explanation:

6 0
2 years ago
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