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Helga [31]
3 years ago
11

Help help help ASFAP

Chemistry
1 answer:
gulaghasi [49]3 years ago
5 0

Answer:

A directory of relatives' phone numbers

Hope this helps

Explanation:

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Describe the 3 categories that the periodic table can be divided into. Be prepared to provide this information for an element on
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Metal, non-metal , and metaliod

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How much heat is absorbed by 15.5 g of water when its temperature is increased from 20.0°C to 50.0°C? The specific heat of water
Zigmanuir [339]
Q = m . C . Δ T
q : Heat absorbed
m : mass of the sample
C : The specific heat of the substance.
Δ T : The change in temperature (Final T - initial T)
So: 
q = 15.5 x 4.18 x (50 - 25) = 1619.75 J 
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This earth system contains water and warms the atmosphere.
sleet_krkn [62]

Answer:

D

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Write a balanced chemical equation for the following: magnesium metal is burned in oxygen to produce magnesium oxide.
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Answer:

2Mg (s) + O_{2} (g) ---> 2MgO (s)

Explanation:

8 0
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Define saturated and unsaturated fats​
Sphinxa [80]

Answer:

<h3><u>Saturated and unsaturated</u>:-</h3>

Are a form of fat in which all or most of the fatty acid chains are single bonds. Glycerol and fatty acids are the two types of smaller molecules that make up fat.

<h3><u>Saturated fat is found in:</u></h3>
  • cakes
  • sausages
  • cheese
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<h3><u>Examples of unsaturated fats:- </u></h3>
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  • Seeds(pumpkin and sesame seeds)

hope it helps...

6 0
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