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vladimir2022 [97]
4 years ago
9

How do I prepare for my general chemistry labs? How do I get good grades on labs?

Chemistry
2 answers:
Masja [62]4 years ago
8 0
Well you should study how different chemicals work, and make flashcards to carry around or make notes during class to study for later
Reika [66]4 years ago
6 0
You must make sure that you pay attention in class, follow directions, do all homework and assignments to the best of your abilities, listen to the teacher, ask for help when it is needed, now what is going on in that class, do not daze of and focus, understand the subject, and try your hardest.  You can get good grades by following all directions, completing it, putting lots of effort and detail into it, asking for help,and doing it the best that you possibly can.  Good Luck I'm sure you can do it!!
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BRO PLSSSS HELP
Ede4ka [16]

Answer: I believe that Humans will evolve with the following features: Taller legs and bodies, better vision, possibly more teeth, and maybe an extra finger or two

Explanation:

I believe this because evolution is meant to help organisms survive

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3 years ago
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What is the average speed of particle in a gas at room temperature? Why is temperature an important variable?
Karo-lina-s [1.5K]
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3 years ago
Which statement best explains why so many fossils look different from the millions of species currently living on Earth?
lianna [129]

B. Most species that have lived on earth are now extinct. Ap3x

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3 years ago
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When aqueous solutions of Na2SO4 and Pb(NO3)2 are mixed, PbSO4 precipitates. Calculate the mass of PbSO4 formed when 1.25 L of 0
neonofarm [45]

Answer:

The mass of PbSO4 formed 15.163 gram

Explanation:

mole of Pb(NO₃)₂ = 1.25 x 0.05 = 0.0625

mole of Na₂SO₄ = 2 x 0.025 = 0.05

                                      Pb(NO₃)₂ + Na₂SO₄ → PbSO₄ + 2 NaNO₃

( Mole/Stoichiometry )    \frac{0.0625}{1}           \frac{0.05}{1}

                                     = 0.0625     = 0.05

From  (Mole/ Stoichiometry ) we can conclude that Na₂SO₄ is limiting reagent.

Mass of PbSO₄ precipitate = 0.05 x Molecular mass of PbSO₄

                                            = 0.05 x 303.26 g

                                            = 15.163 g

7 0
3 years ago
Pls help me in this:(​
antiseptic1488 [7]

Answer:

a) 26.98

b) 3

c) 3* 1.01 = 3.03

d) 3 *16 = 48

e) 26.98 + 3.03 + 48 = 78.01

f) 6.023 * 10²³

3 0
3 years ago
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