4 years ago

What element from the periodic table rhymes with extreme

Physics

1 answer:

jonny [76]4 years ago

8 0

Halite or sulfur or gold or silver

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in an exothermic chemical reaction the energy gained by the surroundings must be _______ the energy lost by the reaction

Yuliya22 [10]

Answer:

In an exothermic reaction the energy gained by the surroundings must be <u>equal to</u> the energy lost by the reaction.

Explanation:

Exothermic reactions occur by the loss of energy in the form of heat to the surroundings (apparatus and the system).

The heat gained can be quantitatively analysed and measured provided no product escapes the system and it is numerically equal to the amount of heat lost by the reaction.

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3 years ago

Question 3. Which of these best describes the field of engineering? *

Naily [24]

It’s B hope this helped

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4 years ago

Suppose you take a whole apple pie (because pie is better than cake!!) How do the shape, taste, and the weight of the whole pie

Bas_tet [7]

Answer:

I ATE APPLE PIE YESTERDAY

Explanation:

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3 years ago

An object on a spring whose constant is 30. N/m

MrRa [10]

The mass of the object is 0.0076 kg

Explanation:

The frequency of a mass-spring system (simple harmonic motion) is given by

$f=\frac{1}{2\pi}\sqrt{\frac{k}{m}}$

where

f is the frequency

k is the spring constant

m is the mass

For the mass-spring system in this problem, we know:

k = 30 N/m is the spring constant

f = 10 Hz is the frequency

Solving the equation for m, we find the mass:

$m=\frac{k}{(2\pi f)^2}=\frac{30}{(2\pi (10))^2}=0.0076 kg$

#LearnwithBrainly

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3 years ago

A 50 kg man stands on the surface of a frozen pond. In order to get to the side of the pond he throws his 1 kg shoes at a speed

aleksklad [387]

Answer:

As per law of conservation of momentum

1 × 10 = 50× v

v = 1/5 m/S

20 cm/s

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3 years ago