2. How do we know if a hypothesis is scientific?

1 answer:

8 0

The hypothesis can’t be a opinion or something that has nothing to do with your work

For example;if you want to see if your toilet paper is sturdy and you say “i think it will cause the commercial says it does” (wrong) answer would have to be “i infer that the toilet paper will be sturdy because it looks more resistant than other paper I’ve seen”

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Zn-64 = 48.63%

Ann [662]

Answer:

A = 65.46 u

Explanation:

Given that,

The composition of zinc is as follows :

Zn-64 = 48.63%

Zn-66 = 27.90%

Zn-67 = 4.10%

Zn-68 = 18.75%

Zn-70 = .62%

We need to find the average atomic mass of the given element. It can be solved as follows :

$A=\dfrac{48.63\times 64+27.90\times 66+4.1\times 67+18.75\times 68+0.62\times 70}{100}\\A=65.46\ u$

So, the average atomic mass of zinc is 65.46 u.

5 0

3 years ago

The work of scientists usually begins with

VladimirAG [237]

A. Testing a hypothesis

This leads to the other points

6 0

4 years ago

Please help with this. Thank you

frozen [14]

Answer:

There are four lava flows which are known as, Pahoehoe lava flow, Aa lava flow, Blocky lava flow, and also Pillow lava flow. For basaltic lava flows 10-15 minutes to be thick enough to walk on, when others can take up to 7 months.

Explanation:

6 0

3 years ago

How many grams are in 102 moles of magnesium?

Rudiy27

n=g/m therefore g=n*m
G = 102 * (Molar mass of magnesium)
G = 102 * (24.30) --> i'm guessing its just mg and not mg2..?
G = 247.6 Grams of magnesium

3 0

4 years ago

Before of an results an experiment are accepted, which of these points must it fulfill?

jek_recluse [69]

Answer:

I think it will be (B) only because you have to do it repeatedly and analyze it and not noted, in order for the results are accepted. I May be wrong. Thanks for letting me help you.

8 0

3 years ago