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andriy [413]
3 years ago
12

Air has a lower specific heat then water once the sun goes down will the air or the water cool faster? What is the independent a

nd dependent variable
Chemistry
1 answer:
iren [92.7K]3 years ago
8 0

Answer:

Dependent variable: A dependent variable can be described as the one which is dependent on the independent variable. It can be described as a variable which is under observation or the variable on which experiments is being made.

An independent variable can be described as a variable which is not dependent on any factor. Changes in the independent variable bring changes in the dependent variable.

The independent variable is the Sun and the dependent variable is the specific heat capacity. As air has lower heat capacity, hence it will cool faster than water.

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Ome fire extinguishers contain liquid carbon dioxide Suggest how carbon dioxide​
melisa1 [442]

Answer:

The CO2 Extinguisher Cannisters contain carbon dioxide in liquid form, and when the extinguisher is let off the liquid is released into the air neutralising the oxygen that the fire is feeding on, disabling the fires ability to spread.

8 0
3 years ago
PLEASE ITS DUEE TODAY at 6:00PM!!!!!
nata0808 [166]

Answer:

I got you... 2 amino acids are linked to each other by a peptide linkage. A peptide linkage is formed when carboxyl group of one amino acid combine with the amine group of the other and during this process, a water molecule is removed.  

The given tripeptide will have 2 peptide bonds. To draw the structure of given tripeptide, we will arrange them in the given order and then we will remove 2 water molecules to form 2 peptide bonds.

 

Explanation:

Hope this helps:)

6 0
2 years ago
How many Atoms are in 12 NaBr
frozen [14]

Answer:

there are 12 atoms in 12 sodium bromide

7 0
2 years ago
26 g of zinc combines with 12.8 g of sulfur. What is the empirical formula of zinc sulfide?
Alisiya [41]
Moles of Zn: 26 / 65 = 0.4
Moles of S: 12.8 / 32 = 0.4

Molar ratio of Zn : S = 1 : 1
Empircal formula: ZnS

The answer is C
7 0
3 years ago
Joan’s initial nickel (II) chloride sample was green and weighed 4.3872 g. After the dehydration reaction and removal of excess
ANEK [815]

Answer:

a) yes, it was an hydrate

b) the number of waters of hydration, x = 6

Explanation:

a) yes it was an hydrate because the mass decreased after the process of dehydration which means removal of water thus some water molecules were present in the sample.

b) NiCl2. xH2O

mass if dehydrated NiCl2 = 2.3921 grams

mass of water in the hydrated sample = mass of hydrated - mass of dehydrated = 4.3872 - 2.3921 = 1.9951 g which represent the mass of water that was present in the hydrated sample.

NiCl2.xH2O

mole of dehydrated NiCl2 = m/Mm = 2.3921/129.5994 = 0.01846 mole

mole of water = m/Mm = 1.9951/18.02 = 0.11072 mole

Divide both by the smallest number of mole (which is for NiCl2) to find the coefficient of each

for NiCl2 = 0.01846/0.01846 = 1

for H2O = 0.11072/0.01846 = 5.9976 = 6

thus the hydrated sample was NiCl2. 6H2O

4 0
3 years ago
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