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il63 [147K]
3 years ago
6

Which one of the following formulas represents an aldehyde? 

Chemistry
1 answer:
Masteriza [31]3 years ago
8 0
The formula of Aldehyde is represented by <span>C2H4O. It has two atoms of Carbon, four atoms of hydrogen and one atom of oxygen. Aldehyde is an organic compound. It's organic because it contains carbon. It has a structure of R-CHO, that consists a carbonyl center bonded to R group and to hydrogen.</span>
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How is the stability of a nucleus affected by changing the number of nuclear particles?
Svet_ta [14]

Answer:

Greatly affected.

Explanation:

The stability of a nucleus is greatly affected by changing the number of nuclear particles because changing the number of nuclear particles i.e. neutron or proton will leads to change the element. When we change the number of protons in an atom, we will change the atom from one element to a different element. Sometimes, when you add a proton to an element, the element will become radioactive in nature so we can conclude that changing number of nuclear particles impact the stability of nucleus of an atom.

5 0
3 years ago
(b) in the direct hydration method, ethene reacts with steam. The equation for this reaction is C2H4 + H2O = C2H5OH
ladessa [460]

Answer:

20 degree and 4000000N

3 0
3 years ago
whats the specific heat of an unknown substance if the addition of 800 joules of heat energy caused a 30 gram sample to warm fro
Troyanec [42]

 The specific heat capacity of unknown  substance  is 1.333 g/j/°c


  <u><em> calculation</em></u>

 Specific heat capacity is calculated using  Q= MCΔT  formula

where;

Q(heat)= 800 j

M(mass) = 30 g

C(specific heat  capacity) =?

ΔT( change in temperature)  = 40°c - 20°c = 20°c

make C  the subject of the formula  by diving both side of the formula by MΔT

C  is therefore = Q/MΔT

800j / 30 g x  20°c = 1.333 j/g/°c

7 0
3 years ago
Which of these chemical formulas represents both an element and a molecule?
inna [77]
O2.

Because it is only made up of one type of element it is an element. Howevern there is more than one oxygen atom because oxygen cannot exist as a single atom, therefore making it a molecule as well.
8 0
3 years ago
Read 2 more answers
Solid silver is added to copper (ii) sulfate. does a single replacement reaction occur, and if so what is the correct chemical e
ivanzaharov [21]
No reaction would occur because copper is more active than silver and silver would be unable to donate electrons to copper.
3 0
3 years ago
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