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romanna [79]
3 years ago
13

Please , sorry if I'm asking too many questions

Chemistry
1 answer:
nevsk [136]3 years ago
7 0
I think it's 231/90 Th
Whatever the decomposition equation yields ( X + He) needs to add up to the reactant (U)
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Give me lil reasoning so I know your not lying for points
rjkz [21]
1mL=0.001L
so if you have 300mL, multiply that by 0.001 to give you 0.3L
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3 years ago
Which sentence is a scientific statement? A. There is a substance around us that cannot be detected. B. Kids should go to school
stellarik [79]

Answer:

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Explanation:

This is a statement and it is scientific

6 0
2 years ago
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slega [8]
5. A
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3 years ago
• 1. An object has a mass of 570g and a volume of 2280ml. Calculate its<br> density. 250 kg/m3
Dima020 [189]

Answer:

Density=mass/volume

= 570/2280

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7 0
3 years ago
The stock concentration of NaOH is 0.5M. 0.5M = 0.500mol/1.0L.
valentinak56 [21]

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density NaOH = 1g/mL so if 4g in 200 mL,  4mL , 196 mL water

5 0
2 years ago
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