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guajiro [1.7K]
2 years ago
14

Can i get help im not really good at science

Chemistry
2 answers:
kramer2 years ago
8 0
Cause and effect:
cause- hot weather
effect- you sweat
Leviafan [203]2 years ago
8 0

Answer:

Cause and effect, easy.

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Why doesnt science offer conclusive proof of phenomena
Rashid [163]
Evidence could be gathered in the future that contradicts original theories. <span>Phenomena cannot be proven by conclusive evidence in science because, as of now, the evidence isn't conclusive. It is speculation. Just as a phenomena cannot be proven, it also cannot be disproven. </span>
3 0
3 years ago
2Al + 3Br2 --&gt; 2AlBr3
vlada-n [284]
A) The limiting reactant is Al
b) Br2 is the excess reactant
c) The amount moles of AlBr3 that get produced will be equal to the number of moles of Al to begin with.
d) 0
4 0
3 years ago
How many grams of chlorine are required to react with 5.00 moles of sodium to produce sodium chlorine?
Oduvanchick [21]

Answer:

2.5 mol Cl2 will react with 5 mol Na.

Explanation:

5 0
3 years ago
Read 2 more answers
Please help me out i will give you brainlist. 0.500 is wrong
Alik [6]
<h3>Answer:  b) 0.250 mol</h3>

============================================

Work Shown:

Using the periodic table, we see that

  • 1 mole of carbon = 12 grams
  • 1 mole of oxygen = 16 grams

These are approximations and these values are often found underneath the atomic symbol. For example, the atomic weight listed under carbon is roughly 12.011 grams. I'm rounding to 2 sig figs in those numbers listed above.

So 1 mole of CO2 is approximately 12+2*16 = 44 grams. The 2 is there since we have 2 oxygens attached to the carbon atom.

-------------------

Since 1 mole of CO2 is 44 grams, we can use that to convert from grams to moles.

11.0 grams of CO2 = (11.0 grams)*(1 mol/44 g) = (11.0/44) mol = 0.250 mol of CO2

In short,

11.0 grams of CO2 = 0.250 mol of CO2

This is approximate.

We don't need to use any of the information in the table.

3 0
3 years ago
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Many elements that are essential for life,including nitrogen,oxygen,and carbon, are part of what classification?
Bess [88]

Answer:

The answer is emma... C

8 0
3 years ago
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