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Nimfa-mama [501]
2 years ago
15

I need help with these

Chemistry
1 answer:
nikklg [1K]2 years ago
8 0
2. Rubidium
3. Antimony
4. Ytterbium
5. Einsteinium
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HELP MEEEE FINALS THIS WEEK!!! I’ve gotten those so far I just need the other ones!!
PilotLPTM [1.2K]

Answer:

Autumn

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Explanation:

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8 0
2 years ago
Pressure of gas in kilopascals
Pavlova-9 [17]
Use the formula (P1V1)/T1 = (P2V2)/T2
(12.8 * 100)/(-108 + 273) = (.855 * P2)/(22 + 273)  Need to convert Celsius into Kelvins
1280/165 = (0.855 * P2)/295
7.755556 = 0.002898 * P2
P2 = 2676.18 kPa
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7 0
3 years ago
Which of the following words/phrases correctly describe(s) sugar water? Select all that apply.
Paul [167]

Answer:

Heterogeneous mixture solution

Explanation:

The reason this is Heterogeneous is that you cant see each individual compound in the solution. If this was sand or any compund that is not desolvable or not fully desolved in water would be Homogenous since you can see the individual compounds (water and sand)

6 0
3 years ago
If the temperature of a gas increases, describe what should happen to the pressure of the gas. Assume the volume and amount of g
Sliva [168]
The pressure will increase with decreasing volume. if they remain constant, that is. 
4 0
3 years ago
The number of moles in 4.27×10^22 particles of silver is
bazaltina [42]

Answer:

mol=0.0709mol

Explanation:

Hello,

In this since one mole equals 6.022x10²³ particles of silver by means of the Avogadro's number, we can compute the moles in 4.27x10²² particles as shown below:

mol=4.27x10^{22}particles*\frac{1mol}{6.022x10^{23}particles}\\\\mol=0.0709mol

Best regards.

3 0
3 years ago
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