CHEMISTRY HIGH SCHOOL

NaOH  + H2SO4 =NaOH + HNO3  =
Cu(OH)2 + HCl =
                H2SO4 =       
                HNO3 =

Answers

Answer 1
Answer: 2NaOH+H_2SO_4\Rightarrow\ Na_2SO_4+2H_2O\n NaOH+HNO_3\Rightarrow\ NaNO_3+H_2O\n Cu(OH)_2+2HCl\Rightarrow\ CuCl_2+2H_2O\n Cu(OH)2+H_2SO_4\Rightarrow\ CuSO_4+2H_2O\n Cu(OH)_2+2HNO_3\Rightarrow\ Cu(NO_3)_2+2H_2O

Related Questions

which of the following are closely related to the electron configuration of an element? A. Atomic Number B. Molecular Weight C. Chemical Reactivity D. Valence Electrons
Which changes occur as a cadmium atom, Cd, becomes a cadmium ion, Cd2+?(1) The Cd atom gains two electrons and its radius decreases.(2) The Cd atom gains two electrons and its radius increases.(3) The Cd atom loses two electrons and its radius decreases.(4) The Cd atom loses two electrons and its radius increases.
If an atom has six protons and four neutrons, what is its charge?
How is electron movement related to covalent bonding in ammonia, NH3?A) Electrostatic sharing in a sea of electrons around the atoms allows bonds to form. B) The atomic orbitals overlap and electrons are shared between the atoms forming bonds. C) A transfer of electrons forms ions which are electrostatically attracted forming bonds. D) Orbital exchange occurs between the atoms to redistribute the electrons and form bonds.
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Given the balanced equation:2C + 3H2==> C2H6
What is the total number of moles of C that must completely react to produce 2.0 moles of C2H6?
(1) 1.0 mol (3) 3.0 mol
(2) 2.0 mol (4) 4.0 mol

Answers

Answer: The correct answer is option 4.

Explanation:

2C+3H_2\rightarrow C_2H_6

According to the reaction, 1 mol of C_2H_6 is obtained from 2 moles of C gives

Then, 2 moles of C_2H_6 will be obtained from:

(2)/(1)* 2 moles of C =4 moles

Hence, the correct answer is option 4.
The answer is (4) 4.0 mol. This is a stoichiometry problem. You start with 2.0 mol of C2H6 and obtain the moles of C by multiplying 2.0 by the mole ratio, in this case 2. 2.0*2=4.0mol.

How many unpaired electrons does calcium have

Answers

Answer:

0

Explanation:

The number of unpaired electrons in  is 0

Answer:

4 unpaired electrons

Explanation:

becausd it have 4 unpaired electros it is paramagnetic

A mineral is a naturally occurring solid with a regular, repeating structure. true or false

Answers

Answer:

The answer is True

Explanation:

Answer:

true!!!!!

Explanation:

The symbol for gold is
a. AU.
b. G.
c. Go.
d. Au.

Answers

D. Au

Every other answer doesn't represent any element.

Humans are dependent on _______ for their food supply.a.waterb.biomassc.fossil fuelsd.timber

Answers

Answer: b. Biomass

Humans are dependent upon biomass for their food supply. Biomass is the organic matter that is produced by the living organisms during their life cycle. The biomass is transferred from one organism to other organism in a food chain when one organism is consumed by other organism in order to obtain food and energy. Human beings are hetrotrophic organisms, which means they are dependent upon plants and animals for their food and energy requirement. The food is a form of biomass, which is being transferred among the living beings in the food chain.

The answer is biomass

What is a disadvantage of using a structural model to show a chemical compound? Structural models provide minimal three-dimensional information. Structural models do not identify the number and type of each atom. Structural models cannot distinguish between single, double, and triple bonds. Structural models cannot distinguish between different isomers of a compound.

Answers

The answer is the first: that structural models provide minimal three-dimensional information. This is because the ball-and-stick model cannot show the actual size of the atoms depicted in the model. You also cannot see the actual bond lengths between the atoms. This, then, limits the accuracy of the model and fails to precisely portray how the chemical compounds being shown are like in all actuality. Thus, though you do see a three-dimensional picture of the chemical compound, this picture is not completely accurate and is not scaled to size. 

Answer: A - Structural models provide minimal three-dimensional information.

Explanation:
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