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Delicious77 [7]
3 years ago
13

How many moles are in 1.82 x 10^20 atoms of silver?

Chemistry
1 answer:
k0ka [10]3 years ago
4 0

Answer:

wassup

Explanation:

ayoo

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Which is an example of a base?a(lemon juice b(baking soda c(an insolator d( water
bija089 [108]

Answer:

b) Baking soda

Explanation:

Baking soda is sodium hydrogen carbonate, NaHCO₃.

It reacts with water according to the equation

NaHCO₃ + H₂O ⇌ H₂CO₃ + NaOH

Thus, baking soda is a base because it increases the concentration of hydroxide ions in water.

<em>Water</em> is <em>neutral</em>.

<em>Lemon juice</em> is an <em>acid</em> because it contains citric acid.

An <em>insulator </em>is a substance that does not conduct electricity. Insulators are <em>neither acidic nor basic</em>.

3 0
3 years ago
Draw the Lewis Structure for H2O.
GalinKa [24]

Answer:

Structure has been shown below

Explanation:

  • In a Lewis structure, least electronegative atom is taken as central atom (except H)
  • Total valence electrons of constituting atoms are used to construct Lewis structure
  • A bond between two atoms are represented by a horizontal line or a dotted line (two dots).
  • Spatial rearrangement of atoms are neglected in Lewis structure.
  • H has one valence electron and O has six valence electrons. So, total valence electrons in H_{2}O are 8
  • Lewis structure of H_{2}O has been given below.

3 0
3 years ago
Pls 50 points right answer gets brainliest
lora16 [44]

Answer:

Thermal energy transfer involves the transfer of internal energy. The three types of thermal energy transfer are conduction, convection and radiation. ... Those are both good examples of convection, the movement of warm particles from warmer to cooler locations, Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

Explanation:

Hope this helps!

8 0
3 years ago
Read 2 more answers
How many moles are equal to 5.82 x 10^23 atoms of tungsten (w)
fiasKO [112]

Answer:

0.97 mole

Explanation:

1 mole will give 6.02×10^23 atoms

Xmole of tungsten will give 5.82×10^23 atom of tungsten

X= 5.82×10^23/ 6.02×10^23

X = 0.97 moles of tungsten

6 0
3 years ago
Read 2 more answers
What is the hybridization of sb in the molecule sbcl52–? antimony (sb) can accept up to twelve electrons?
Setler79 [48]

The valence electron configuration for antimony (Sb) is:

Sb = 5s²5p³5d⁰

In SbCl₅²⁻, antimony has a -2 charge i.e. it has 2 additional electrons

Sb²⁻ = 5s²5p⁵5d⁰

Following a two electron transition from p→d orbital we have:

Sb²⁻ = 5s²5p³5d²

There is a total of 5 unpaired electrons (3 in the p and 2 in the d) which can form five bonds with the 5 Cl atoms.

Thus the hybridisation of Sb in SbCl₅²⁻ is sp³d²


5 0
3 years ago
Read 2 more answers
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