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andrew-mc [135]
3 years ago
13

what is weather? What are some terms we use to describe weather? What affects the weather in a particular place over time?

Chemistry
2 answers:
leva [86]3 years ago
8 0
Weather is the temperature or climate over a short period of time.
Firdavs [7]3 years ago
7 0

Answer:

Weather is a temp of nature

Explanation:

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Calculate the mass of Iron in 40g of Fe203​
Nat2105 [25]

Answer:

   ‏‏‎ ‎

Explanation:‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎

7 0
2 years ago
A medication 60 mg is ordered. the vial is labeled 1 gm/ 10 ml. How many ml would you give?
timofeeve [1]
I believe it is 6ml because you do the doseage times the ml and mutiply it by 1
4 0
3 years ago
A 46.9 gram sample of a substance has a volume of about 3.5 centimeters3. It is solid at a room temperature of 23ºC. Out of the
horrorfan [7]

Answer : (C) Hafnium is the most likely identity of the given substance.

Solution :  Given,

Mass of given substance (m) = 46.9 g

Volume of given substance (V) = 3.5 Cm^{3}

First, find the Density of given substance.

Formula used :    

Density=\frac{\text{Mass of given substance}}{\text{Voume of given substance}}

Now,put all the values in this formula, we get

Density=\frac{46.9 g}{3.5 Cm^{3} } = 13.4 g/Cm^{3}

So, we conclude that the density of given substance (13.4 g/Cm^{3}) is approximately equal to the density of Mercury and Hafnium (13.53 and 13.31 g/Cm^{3} respectively).

According to the question the substance is solid at room temperature but Mercury is liquid at room temperature. So, Mercury is not identical to the given substance.

Another element i.e, Hafnium is the element whose density is approximately equal to the given substance and also solid at room temperature. And we know that the melting point of solid is high.

So, Hafnium is the most likely element which is the identity of the given substance.

3 0
3 years ago
Read 2 more answers
3.
Vsevolod [243]

Answer:

2 half-lives=0.8

6 half-lives= 0.05

Explanation

Half-lives are constant and always decrease by half, implying that the concentration decreases by half at a consistent rate.

3.2/2= 1.6/2= 0.8 is two half-lives

3.2/2= 1.6/2= 0.8/2= 0.4/2= 0.2/2= 0.1/2=0.05 is six half-lives

3 0
2 years ago
What are some structures inside a cell that help it live and perform its role in an organism
Anni [7]
Mitochondrial Atp,lysome digest bad things, nucleus contain DNA ribosomes synthesize proteins
5 0
3 years ago
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