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ratelena [41]
3 years ago
13

What is the opposite of ductile and malleable? PLEASE HELP!!!! I NEED THIS TONIGHT!!!

Chemistry
2 answers:
zlopas [31]3 years ago
5 0
Ductility = brittleness
malleability = immalleability, rigidity
lisov135 [29]3 years ago
3 0
Opposite of malleable is rigidity and opposite of ductile is brittleness.
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Answer the following question: In a space shuttle, the CO2 that the crew exhales is removed from the air by a reaction within ca
Ulleksa [173]

Answer:

See Explanation

Explanation:

The unbalanced reaction equation is;

CO2(g) + LiOH(aq) + Li2CO3(aq) + H2O(l)

The balanced chemical reaction equation;

CO2(g) + 2LiOH(aq) + Li2CO3(aq) + H2O(l)

The molar mass of each compound is the sum of the relative atomic masses of the atoms of the elements that compose the compounds.

For CO2

12 + 16(2) = 12 + 32 = 44 g/mol

For LiOH

7 + 16 + 1 = 24 g/mol

For Li2CO3

2(7) + 12 + 3(16) = 74 g/mol

For H2O

2(1) + 16 = 18 g/mol

From the balanced chemical reaction equation, the mole ratio is 1:2:1:1. This is obtained from the stoichiometric coefficient of each reactant in the balanced chemical reaction equation.

From the question;

1 mole of CO2 occupies 22.4 L

x moles of CO2 occupies 825 L

x = 1 mole * 825 L/22.4 L

x = 36.8 moles

From the reaction equation;

1 mole of CO2 produces 1 mole of water

36.8 moles of CO2 produces 36.8 moles of water

Mass of 36.8 moles of water = 36.8 moles * 18 g/mol

= 662 g of water

The answer must have three significant figures because that is the same number of significant figures to which values were given in the question.

6 0
3 years ago
What’s is inside a cell? Crossword puzzle
Sophie [7]
1: ribosomes
5: nucleus
11: vacuole
13: rough endoplasmic reticulum
10: chloroplasts
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3 0
3 years ago
Electrons in Bohr's model of the atom are at the lowest possible energy state when they are
arlik [135]

Answer:

d. at ground state

Explanation:

Electrons in the Bohr's model of the atom are at the lowest possible energy state when they are their ground state.

The lowest energy state available to an electron is the ground state.

  • According to the the Bohr's model of the atom, the extranuclear part is made up of electrons in specific spherical orbits around the nucleus.
  • In the excited state, the level is higher than the ground state.
  • When electrons changes state they either absorb or gain energy.
8 0
3 years ago
Read 2 more answers
Each answer below describes the connectivity around a single atom.
MrRissso [65]

Answer:

d. One single bond and two double bonds.

Explanation:

The octate rule is a chemical rule in which the atoms prefer to have eight electrons in the valence shell. Where a single bond provide two electrons and a double bond provide 4 electrons. Thus:

a. Two double bonds . Two double bonds provide 8 electrons. Octate rule <em>is not </em>violated

b. Three single bonds and one pair of electrons . Three single bonds provide 6 electrons and one pair of electrons provide two electrons. Thus, you have eight electrons and octate rule <em>is not</em> violated

c. Two single bonds and one double bond . Two single bonds provide four electrons and one double bond 4. Thus, you have eight electrons and octate rule <em>is not </em>violated.

d. One single bond and two double bonds. One single bond provides two electrons and two double bonds 8. Thus, you have 10 electrons and <em>octate rule is violated.</em>

e. Four single bonds. Four single bonds provide 8 electrons. Octate rule<em> is not </em>violated.

I hope it helps!

4 0
3 years ago
PLEASE HELP ME 10 POINTS
Shkiper50 [21]
My best guess is shame

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3 years ago
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