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azamat
3 years ago
10

Substances with strong intermolecular bonds vaporize

Chemistry
1 answer:
ikadub [295]3 years ago
4 0
Slower should be the answer for this
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Which form of energy does a cheeseburger have
pishuonlain [190]

Answer:

chemical potential energy - It mainly has chemical potential energy, this is really a type of electrical potential energy stored in the chemical bonds of the molecules

Explanation:

You can give the other person brainliest, I don't need it! :)

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3 years ago
3. In an experiment it was found that 40.0cm of 0.2M sodium hydroxide solution just neutralized 0.2g
hjlf

The relative molecular mass of acid A : 50 g/mol

<h3>Further explanation</h3>

Given

40.0 cm³(40 ml) of 0.2M sodium hydroxide

0.2g  of a dibasic acid

Required

the relative molecular mass of acid A

Solution

Titration formula

M₁V₁n₁=M₂V₂n₂

n=acid/base valence(number of H⁺/OH⁻)

NaOH ⇒ n = 1

Dibasic acid =  diprotic acid (such as H₂SO₄)⇒ n = 2

mol = M x V

Input the value in the formula :(1 = NaOH, 2=dibasic acid)

0.2 x 40 x 1 = M₂ x V₂ x 2

M₂ x V₂ = 4 mlmol = 4.10⁻³ mol ⇒ mol of Acid A

The relative molecular mass of acid A (M) :

\tt M_A=\dfrac{mass }{mol}=\dfrac{0.2~g}{4.10^{-3}}=50~g/mol

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3 years ago
Who performed the oil-drop experiment?
evablogger [386]

In the year 1909, Robert A. Millikan and Harvey Fletcher performed the oil drop experiment.

7 0
3 years ago
Read 2 more answers
A mixture contains 3.64g nacl, 2.87g nh4cl, and 4.13g of sio2. what is the percent by mass of nh4cl
Norma-Jean [14]
<span>Total mass = 3.64 + 2.87 + 4.13 = 10.64 g Mass percent of NH4Cl = (mass of NH4Cl/ Total mass) x 100 = (2.87 g/10.64g) x 100 = 27.0 % mass of NH4Cl</span>
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4 years ago
Plants or animals with desirable characterstics are bred together to create improved varieties. What is this process called?
STatiana [176]

Answer:

cross breeding or selective breeding its common with dogs

Explanation:

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