Explanation:
Using the Newton's laws, we can find the force F required for lifting the book having mass (m) and acceleration due to gravity (g) that is ;
and, the change in the position of the book that is Δx (Height)
→ Δx = Final position - Initial position
which is only the height, then the amount of work done will be calculated by :
W= mgh
m = Mass of the Body
g = Acceleration due to Gravity
h = Height of Body being displaced
B. electrons than protons
C. neutrons than protons
A positive ion, also known as a cation, has more protons than electrons as a result of losing electrons. For example, a sodium atom becomes a +1 sodium ion when it loses an electron. The number of neutrons does not affect the charge of ions.
A positive ion, also known as a cation, is formed when an atom loses one or more electrons. This causes the atom to have more protons than electrons, thereby gaining a positive charge. So, the correct answer to your question is A. Protons than electrons.
For instance, when a sodium atom (which has 11 protons and 11 electrons) loses an electron, it becomes a sodium ion with a +1 charge, having 11 protons and only 10 electrons.
Neutrons are particles present in the nucleus of an atom that do not carry any charge. Hence, the number of neutrons doesn’t affect the charge of ions.
#SPJ6
A positive ion, or a cation, has more protons than electrons because it forms by losing electrons. Therefore, it has a net positive charge. The number of protons and neutrons doesn't change during this process.
A positive ion, also known as a cation, is formed when an atom loses electrons. The loss of electrons results in the atom having more protons than electrons, and subsequently more positive charge than negative, hence the name positive ion. Therefore, the correct answer to your question is A. protons than electrons. However, it’s important to note that the number of protons and neutrons in an atom does not change during chemical reactions or during the formation of ions.
#SPJ6
Answer:
3.16g
Explanation:
Data obtained from the question include:
I = 4A
t = 40mins = 40 x 60 = 2400secs
Q =?
Q = It
Q = 4 x 2400
Q = 9600C
Now let us generate a balanced half equation to determine the number faraday needed to deposit metallic Cu. This is illustrated:
Cu^2+ + 2e —> Cu
From the equation,
2 faraday is needed to deposit metallic cu
1 faraday = 96500C
Therefore 2 faraday = 2 x 96500 = 193000C
Molar Mass of Cu = 63.5g/mol
193000C deposited 63.5g of Cu
Therefore, 9600C will deposit = (9600 x 63.5)/193000 = 3.16g of Cu
B) Energy will be converted into another form
C) Energy will be consumed
*THIS IS NOT PART OF A TEST, I GOT THE ANSWER WRONG AND WANT TO KNOW THE RIGHT ONE*
Answer:
physical
Explanation:
no chemical reaction is occurring
Answer:
The mechanical weathering is defined as the breaking down of rocks physically due to the agents such wind, water and ice. In addition this, plant roots, abrasion, rainfall and temperature also plays an important role in wearing away the rocks.
When water, wind flows over the rock surfaces, it erodes the rocks and this is known as the abrasion process. The broken particles (sediments) are transported by these agents and deposited at some other place.
The rocks also undergoes deformation due to the frost wedging process, freeze and thaw method, exfoliation and some other process.
These are the processes that are responsible for mechanical weathering.