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Strike441 [17]
3 years ago
6

Which statements correctly describe light? (Select all that apply.)

Chemistry
2 answers:
Ainat [17]3 years ago
8 0

Answer:

it says select all that apply hhh easy just select and apply the answer hhh

Explanation:

ad-work [718]3 years ago
8 0
1 , 2, and 4 is the answers
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How are mass and volumes alike?
AlladinOne [14]
Kind of this is probably wrong Mass weight of solid, volume weight of liquid?
3 0
4 years ago
What is the specific heat of a substance if 60.0 J are required to increase the temperature of 6 grams
Alika [10]
Using the specific heat capacity formula:

q = mc ∆ t
60.0 J = (6g)(x)(11*C)
x = 0.9 J/g*C

Aluminum
3 0
3 years ago
A particular first-order reaction has a rate constant of 1.35 × 102 s-1 at 25.0°C. What is the magnitude of k at 95.0°C if Ea =
never [62]

Answer:

k ≈ 9,56x10³ s⁻¹

Explanation:

It is possible to solve this question using Arrhenius formula:

ln\frac{k2}{k1} = \frac{-Ea}{R} (\frac{1}{T2} -\frac{1}{T1} )

Where:

k1: 1,35x10² s⁻¹

T1: 25,0°C + 273,15 = 298,15K

Ea = 55,5 kJ/mol

R = 8,314472x10⁻³ kJ/molK

k2 : ???

T2: 95,0°C+ 273,15K = 368,15K

Solving:

ln\frac{k2}{k1} = 4,257

\frac{k2}{k1} = 70,593

{k2} = 9,53x10^3 s^{-1}

<em>k ≈ 9,56x10³ s⁻¹</em>

I hope it helps!

5 0
3 years ago
Why is there DNA in our food?
sukhopar [10]

Answer:

probably because most of our food comes from animals-

Explanation:

3 0
3 years ago
Read 2 more answers
Why does water flow decrease in your shower when someone flushes the toilet ​
Rashid [163]

Answer:

A toilet requires a large amount of cold water to flush. So, when the toilet flushes while you're in the shower, it's stealing from your shower's cold water supply. When the pressure-balancing valve senses the drop in cold water pressure, it responds by restricting the hot water pressure.

6 0
3 years ago
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