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4 years ago

When a neutrally charged atom loses an electron to another atom, the result is the creation of

1 answer:

8 0

ionic compound. The atom that lost the electron becomes a cation, and the atom that gains an electron becomes an anion. The cation and anion bond together because they have opposite charges to form an ionic compound. The question may be looking for just cation or anion, though.

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Which type of error is a false positive

maks197457 [2]

Answer: Type I Error

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2 years ago

(a) Circular metal wires in electrical circuits may have different cross-sectional areas (different diameters) and different len

WARRIOR [948]

For the different wires the values given are

For Wire A, Area= $A_{A}$ , Resistivity= $ρ_{A}$ , Length= $L_{A}$ , Heat= $H_{A}$ , Voltage= V, Time= t, Wire B, Area= $A_{B}$ , Resistivity= $ρ_{B}$ , Length= $L_{B}$ , Heat= $H_{B}$

So, $H_{A}$ / $H_{A}$ = $\frac{V^{2} *t}{\frac{ρ(1)*L_{A} }{A_{A} } }$ / $\frac{V^{2} *t}{\frac{ρ(2)*L_{B} }{A_{B} } }$

Therefore $H_{A}$ / $H_{A}$ = $\frac{A_{A}*ρ_{B} *L_{B}}{A_{B}ρ_{A} L_{A} }$

The type of energy that moves between two materials with varying temperatures is referred to by scientists as heat. Because the average translational kinetic energy per molecule in the two materials varies, an energy transfer takes place. Up until thermal equilibrium is attained, heat is transferred from the substance with the higher temperature to the material with the lower temperature. The joule, with 1 joule equalling 1 newton meter, is the SI unit of heat. Imagine the following situation to better comprehend what happens when this energy transfer takes place: Tiny rubber balls are bouncing all over two distinct containers that are full with them. The difference between the average ball speed in one container and the second container is substantial.

(a) Circular metal wires in electrical circuits may have different cross-sectional areas (different diameters) and different lengths. For a given applied voltage, how would the joule heat vary with these parameters

Learn more about heat here:

brainly.com/question/21041726

#SPJ4

6 0

2 years ago

Is a battery that generates hydrogen,is that very explosive

Andrews [41]

The answer is yes!
Hydrogen gas is generated as part of the charging process of lead/acid cell batteries. If the hydrogen gas acculates in large concentrations in a building or room or a box, an electrical spark or other ignition source will cause the hydrogen to burn in a rapid reaction causing an possible explosion.
A good example of a hydrogen gas explosion and fire is the "Hindenburg" disaster of the old flying blimps or zepplins.

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3 years ago

If an object falls from rest and lands 3.2 seconds later, how many<br> meters did it fall

DIA [1.3K]

Answer:

50.2 meters

Explanation:

When an object falls, it goes a distance d in time t according to the formula:

$d=\frac{1}{2}*g*t^{2}$

d is the distance in meter, g is the acceleration due to gravity with the value of 9.8 $m/s^{2}$ , t is the time in seconds

Therefore, $d = \frac{1}{2}*9.8*(3.2)^{2}$

d= 50.176 ≈ 50.2m

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3 years ago

Scientists in a test lab are testing the hardness of a surface before constructing a building. Calculations indicate that the en

Luden [163]

Let's call this "certain amount" with a variable, x, (since it's not specified in the question, I will assume that the answer shall just be based on this variable).

So every additional floor will make the building sink by x, and let's make the unit cm, so x cm.

Now we know that the maximum depression is 20 cm, and it is also

x*y, where y is the number of floors.

So we have x*y=20,

therefore the number of floors is:
20/x or This is the answer

4 0

3 years ago