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qaws [65]
2 years ago
12

Help me plsssss ))):

Chemistry
2 answers:
Lyrx [107]2 years ago
8 0
It’s c my good guy have a good day
Marysya12 [62]2 years ago
5 0

Answer:

crushing an ice cube

Explanation:

crushing an ice cube can be redone by freezing it again in its position

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What is a likely oxidation<br> state of Chlorine?<br> a)-1<br> b) 7<br> C) -7<br> d) +1
Alenkasestr [34]

Answer: a) -1

Explanation:

6 0
3 years ago
Hydrogen (H) and helium (He) are produced in the core of stars in a process called nuclear fusion. Over time stars begin to prod
rosijanka [135]
A C and D are all correct, Helium and Hydrogen only have a 1s orbital, and helium has 2 protons, while hydrogen has 1, and finally Hydrogen has no neutrons while helium has 2. Helium does not however have 8 valence electrons as the 1s orbital can only hold 2, meaning B is the “correct” (false) answer.
4 0
3 years ago
Determine the freezing point depression of 2 kg of water when 2 mol salt is added to it. The kf of water is 1.86 degrees C/M. Sh
Svet_ta [14]

Answer: The freezing point depression is 1.86^0C

Explanation:

Depression in freezing point is given by:

\Delta T_f=K_f\times m

\Delta T_f = Depression in freezing point

K_f = freezing point constant = 1.86^0C/m

m= molality = \frac{\text {moles of solute}}{\text {mass of solvent in kg}}=\frac{2mol}{2kg}=1m

\Delta T_f=1.86mol/kg^0C\times 1m  

\Delta T_f=1.86^0C  

Thus freezing point depression is 1.86^0C

3 0
2 years ago
Which subshells (s, p, d, f, or g) can have electrons with the indicated magnetic quantum number (ml)?
amm1812

Answer:

=3 means is 3 or greater so that would be f and g subshells

=0 means is 0 or greater so that would be s, p, d, f and g subshells

=1 means is 1 or greater so that would be p, d, f, and g subshells

=4 means is 4 or greater so that would be g only

4 0
2 years ago
Pls can someone help me with this pls
GenaCL600 [577]

Answer:

not sure if this is the right way to answer this question but PbS is Phosphate-buffered saline (i think)

Explanation:

5 0
3 years ago
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