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-BARSIC- [3]
2 years ago
9

5

Chemistry
1 answer:
babymother [125]2 years ago
4 0

Answer:

The total amount of mechanical energy is merely the sum of the potential energy and the kinetic energy. This sum is simply referred to as the total mechanical energy

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Which element in the list is the most reactive?<br><br> C<br><br> Ba<br><br> S<br><br> Cs
Tems11 [23]

Answer:

Cs

Explanation:

This element is the farthest right, and lowest meaning that the reactivity of it is very high.

1. valence electrons and electronegativity

2. Both reactivity and electronegativity decrease down a group.

3. Electronegativity decreases down a group, and reactivity increases down a group.

4. The number of valence electrons increases from left to right.

5. Cs

{quizlet: captncrun}

4 0
2 years ago
Please help me ASAP!!!!!!!!!
padilas [110]

Explanation:

chemical analysis of a compound shows that it contains 0.99g lead ,0.154g sulfur and 0.306g oxygen. what is the empirical formula of the compound.

6 0
3 years ago
Why does the water turn blue after some time when blue ink is dropped in water? Which property
zepelin [54]

Answer:

Particles are constatantly moving and diffusing

This is possible because of diffusion

Explanation:

Hope this helps

7 0
3 years ago
8. If a sample of chloroform is initially at 25°C, what is its final temperature if 150.0 g of chloroform
sashaice [31]

Answer:

The final temperature is 31.95° C.

Explanation:

Given that,

Initial temperature of a sample of chloroform, T_i=25^{\circ} C

Mass of chloroform, m = 150 g

It absorbs 1 kJ of heat, Q = 10³ J

The specific heat of chloroform, c = 00.96 J/gºC

We need to find the final temperature. The heat absorbed by an object in terms of specific heat is given by :

Q=mc\Delta T\\\\Q=mc(T_f-T_i)\\\\\dfrac{Q}{mc}+T_i=T_f\\\\T_f=\dfrac{10^3}{150\times 0.96}+25\\\\=31.95^{\circ} C

So, the final temperature is 31.95° C.

5 0
2 years ago
Can anyone answer this? (I thank)
Mamont248 [21]
CO2 will be the first to boil because it will be the first to warm up because it is the closest temperature to 0
4 0
3 years ago
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