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navik [9.2K]
3 years ago
7

Which statement is most likely correct about the average temperatures in San Francisco, California as compared to Norfolk, Virgi

nia?
It is higher in Norfolk because of the cool ocean currents from the north
It is higher in Norfolk because of the warm ocean currents from the south
It is lower in San Francisco because of the cool ocean currents from the south
It is lower in San Francisco because of the warm ocean currents from the north

Chemistry
1 answer:
Lynna [10]3 years ago
7 0

Answer:

It is higher in Norfolk because of the warm ocean currents from the south

Explanation:

Can I have brainliest answer please?

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Which statements correctly describe the effect of distance in determining the gravitational force and the electrical force? Chec
Luda [366]

Answer:

The gravitational force is inversely proportional to the square of the distance..

The electrical force is inversely proportional to the square of the distance..

Explanation:

From the Newton's law of universal gravity, we understood that the force of attraction between the masses two objects is inversely proportional to the square of the distance apart. Mathematically, it is expressed as:

F = GM1M2/r²

Where:

M1 and M2 are the masses of two objects measured in kilograms (Kg).

G is the gravitational constant with a value of 6.67×10¯¹¹ Nm²/Kg²

r is the distance apart measured in metre (m).

F is the force of attraction measured in Newton (N).

From the equation:

F = GM1M2/r²

The force (F) is inversely proportional to the square of the distance (r) apart. This means that the greater the distance apart, the smaller the force of attraction and the smaller the distance apart, the greater the force of attraction between the masses of the object.

From Coulomb's Law, we understood that the force of attraction between two charged particles is inversely proportional to square of the distance. Mathematically, it expreessed as

F = Kq1q2/ r²

Where:

q1 and q2 are charges of two objects measured in coulomb (C) .

r is the distance apart measured in metre (m)

K is the electrostatic constant with a value of 9×10^9 Nm²/C²

F is the force measured in Newton (N).

From the equation:

F = Kq1q2/ r²

The force (F) is inversely proportional to the square of the distance (r) apart.. This implies that as the distance between the charged particles increase, the smaller the force of attraction between them and as the distance between the charged particles decrease, the greater the force of attraction between the two charged particles.

6 0
3 years ago
What we mean by chemical properties of a metal
OverLord2011 [107]
1.Some metals have multiple oxidation states. Eg. Chromium

2. Métal forms cations when ionized
5 0
3 years ago
Read 2 more answers
4 What would the volume of a gas be at -150°C, if it had a volume of 693 mL at 45°C?
kherson [118]

Answer: v2=268.047mL

Explanation:

V1/T1=v2/T2

V1=693mL

T1=45°c to convert to Kelvin 273+45=318k

V2=?

T2=-150°c to convert to Kelvin

273-150=123k

693/318=v2/123

Cross multiply

318v2=693×123

V2=85239/318

V2=268.047mL

4 0
3 years ago
When the following equation is balanced, what is the lowest whole-number coefficient for SO2? ____ HBrO3(aq) + ____ SO2(g) + ___
lakkis [162]

Answer : The lowest whole-number coefficient for SO_2 is, 5

Explanation :

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

If the amount of atoms of each type on the left and right sides of a reaction differs then to balance the equation by adding coefficient in the front of the elements or molecule or compound in the chemical equation.

The coefficient tell us about that how many molecules or atoms present in the chemical equation.

The given unbalanced chemical reaction is,

HBrO_3(aq)+SO_2(g)+H_2O(l)\rightarrow Br_2(aq)+H_2SO_4(aq)

This reaction is an unbalanced chemical reaction because in this reaction number of hydrogen, bromine and oxygen atoms are not balanced.

In order to balance the chemical equation, the coefficient '2' put before the HBrO_3, the coefficient '5' put before the SO_2\text{ and }H_2SO_4 and the coefficient '4' put before the H_2O and we get the balanced chemical equation.

The balanced chemical reaction will be,

2HBrO_3(aq)+5SO_2(g)+4H_2O(l)\rightarrow Br_2(aq)+5H_2SO_4(aq)

Thus, the lowest whole-number coefficient for SO_2 is, 5

8 0
4 years ago
When Lithium and water combine the reaction-
Bingel [31]

Answer:

I think it is B. takes place slowly. hope this helps!

6 0
3 years ago
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