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inessss [21]
3 years ago
5

I NEED HELP ASAP PLEASE

Chemistry
1 answer:
scZoUnD [109]3 years ago
8 0
I think it’d be C. I’m not 100% if it is tho
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If a 95.0 gram sample of metal at 100.0 oC is placed in 50.0 g of water with an initial temperature of 22.5oC and the final temp
kaheart [24]

Answer : The specific heat of the metal is, 1.11J/g^oC

Explanation

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

q_1=-q_2

m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)

where,

c_1 = specific heat of metal = ?

c_2 = specific heat of water = 4.18J/g^oC

m_1 = mass of metal = 95.0g

m_2 = mass of water  = 50.0 g

T_f = final temperature of mixture = 48.5^oC

T_1 = initial temperature of metal = 100.0.0^oC

T_2 = initial temperature of water = 22.5^oC

Now put all the given values in the above formula, we get

(95.0g)\times c_1\times (48.5-100.0)^oC=-[(50.0g)\times 4.18J/g^oC\times (48.5-22.5)^oC]

c_1=1.11J/g^oC

Therefore, the specific heat of the metal is, 1.11J/g^oC

8 0
3 years ago
a neutral atom has high electronegativity. describe what happens to this atom during ionic bond formation
Airida [17]

Answer:

it readily gains electrons to form a negative ion or anion

Explanation:

7 0
3 years ago
Why does water boil at a lower temperature at higher altitudes
Harlamova29_29 [7]
Atmospheric pressure increases as altitude increases therefore boiling time will need to be extended
5 0
2 years ago
3. Ethanol has a density of 0.800 g/mL. <br> a. What is the mass of 225 mL of ethanol?
dedylja [7]

Since the ethanol has a density of 0.800 g/mL, the mass of the ethanol is 180 grams.

<u>Given the following data:</u>

  • Volume of ethanol = 225 mL
  • Density of lead ball = 0.800 g/mL.

To find the mass of the ethanol;

Density can be defined as mass all over the volume of an object.

Mathematically, the density of a substance is given by the formula;

Density = \frac{Mass}{Volume}

Making mass the subject of formula, we have;

Mass = Density \times Volume

Substituting the given parameters into the formula, we have;

<em>Mass of ethanol </em><em>=</em><em> 180 grams.</em>

Read more: brainly.com/question/18320053

3 0
3 years ago
Consider the following comparison.
motikmotik
Answer: B yeah I'm pretty sure
8 0
3 years ago
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