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daser333 [38]
3 years ago
7

1.Salts consist of atomic particles that have an (blank) charge.

Chemistry
1 answer:
enyata [817]3 years ago
5 0
The nonmetal elements have a negative charge.
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Which ones are physical change and which ones are chemical reactions:
Sonbull [250]
Physical change- evaporation , condensation
Chemical change- combustion , neutralization
8 0
2 years ago
The density of carbon in the form of diamond is 3.51 g/cm^3. if you have a small diamond with a volume of 0.0270 cm3 what is its
lora16 [44]
Hey there!:


density  = 3.51 g/cm³

Volume = 0.0270 cm³

Therefore:

D = m / V

3.51 = m / 0.0270

m = 3.51 * 0.0270

m = 0.09477 g 
3 0
3 years ago
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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

5 0
3 years ago
This is a document that each chemical manufacturer, distributor, or importer must provide for each hazardous chemical. It contai
kkurt [141]

Answer : HazCom

Explanation : Hazard communication which is also known as HazCom, is a set of processes and procedures that every employers and importers must implement in their workplace to effectively communicate hazards associated with chemicals during handling, shipping, and any form of exposure.

The OSHA Hazard Communication Standard is a U.S. regulation which governs the evaluation and communication of hazards associated with chemicals at the workplace. It is typically not attached to any specific chemical container but is stored in the workplace.

7 0
3 years ago
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Why does conduction occur in solids and liquids easier compared to gases?
marissa [1.9K]
Option #2 because gas can take up a lot of space and the particles can spread out more. think of fog its a gas and it can spread out over a big area and its hard for the sun to shine through enough to heat it up and evaporate it.<span />
4 0
3 years ago
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