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Akimi4 [234]
3 years ago
10

Apply Why does a box on the seat of a car

Chemistry
1 answer:
olga2289 [7]3 years ago
3 0

Answer:

im confused on what you mean

Explanation:

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In both nuclear fission and nuclear fusion reactions, energy is converted to mass.
mr_godi [17]
That is false. mass is converted into energy
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3 years ago
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What is the easiest way to find the charge of an element using the periodic table?!?
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<span>On the Periodic Table metals are found on the left of the table and will be positive, while non-metals are found on the right of the table and will be negative. </span>
7 0
3 years ago
What effect does salt have on a marshmallow?
Naily [24]

Answer:

The original marshmallow was named for the inclusion of marshmallow root in the recipe. The roots and leaves of the marshmallow plant contain mucilage, a slimy-textured demulcent best known for its use as a homeopathic cough suppressant. Marshmallow root is considered to be soothing and mildly antimicrobial. It has long been used as an herbal treatment for minor digestive issues and skin irritations, although its use in the creation of its namesake confection has long since fallen by the wayside.

Explanation:

So basically salt makes it strecthy! Please mark brainliest!!

3 0
2 years ago
A certain substance X has a normal freezing point of 5.6 °C and a molal freezing point depression constant Kf-7.78 °C-kg·mol-1.
Harrizon [31]

Answer:

27.60 g urea

Explanation:

The <em>freezing-point depression</em> is expressed by the formula:

  • ΔT= Kf * m

In this case,

  • ΔT = 5.6 - (-0.9) = 6.5 °C
  • Kf = 7.78 °C kg·mol⁻¹

m is the molality of the urea solution in X (mol urea/kg of X)

First we<u> calculate the molality</u>:

  • 6.5 °C = 7.78 °C kg·mol⁻¹ * m
  • m = 0.84 m

Now we<u> calculate the moles of ure</u>a that were dissolved:

550 g X ⇒ 550 / 1000 = 0.550 kg X

  • 0.84 m = mol Urea / 0.550 kg X
  • mol Urea = 0.46 mol

Finally we <u>calculate the mass of urea</u>, using its molecular weight:

  • 0.46 mol * 60.06 g/mol = 27.60 g urea

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3 years ago
The mass of a proton is equal to the mass of?
just olya [345]
It is about equal to the mass of the neutron. So, most people just say that they have the same mass.

*Hope that helps and enjoy Brainly :)*
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3 years ago
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