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Olin [163]
3 years ago
6

Solid crystals with _____ bonds are the best insulators. metallic covalent ionic hydrogen

Chemistry
2 answers:
olganol [36]3 years ago
4 0

Answer: covalent bond

Explanation: covalent bonded compounds do not conduct electricity. Hence, they are used as insulators

iragen [17]3 years ago
4 0
Ionic because they do not conduct electricity when in a solid state only when molten or dissolved in water
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_______ is the process in which light energy is transformed into food energy. A.life B.photosynthesis C.abiotic D.biotic
kolezko [41]

Answer:

B) Photosynthesis is the process in which light energy is transformed into food energy.

4 0
2 years ago
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What is the concentration of a solution which is 2g in 150cm3 in g/dm3
Irina-Kira [14]

Answer:

13.33 g/dm³

Explanation:

Concentration (g/dm³)= mass(g) ÷ volume (dm³)

Now you need to convert 150 cm³ to dm³

1000cm³ = 1 dm³

thus, 150 cm3= 150 ÷ 1000

= 15dm³

and you already have mass in grams

so concentration  = 2 ÷ 0.15

= 13.33 g/dm³ and there you go.. solved ;)

8 0
3 years ago
At STP, a 50.-gram sample of H2O(l) and a 100.-gram sample of H2O(1) have
LiRa [457]

Answer:

The same chemical properties

Explanation:

Different masses of water at the same temp and pressure will have different volumes and the same empirical formulas and the same chemical properties

6 0
3 years ago
We make a basic solution by mixing 50. mL of 0.10 M NaOH and 50. mL of 0.10 M Ca(OH)2. It requires 250 mL of an HCl solution to
andreyandreev [35.5K]

<u>Answer:</u> The correct answer is Option 5.

<u>Explanation:</u>

  • To calculate the molarity of the solution after mixing 2 solutions, we use the equation:

M=\frac{n_1M_1V_1+n_2M_2V_2}{V_1+V_2}

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of the NaOH.

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of the Ca(OH)_2

We are given:

n_1=1\\M_1=0.10M\\V_1=50mL\\n_2=2\\M_2=0.1\\V_2=50mL  

Putting all the values in above equation, we get:

M=\frac{(1\times 0.1\times 50)+(2\times 0.1\times 50)}{50+50}\\\\M=0.15M

  • To calculate the molarity of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is HCl

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base.

We are given:

n_1=1\\M_1=?M\\V_1=250mL\\n_2=1\\M_2=0.15M\\V_2=100mL

Putting values in above equation, we get:

1\times M_1\times 250=1\times 0.15\times 100\\\\M_1=0.06M

Hence, the correct answer is Option 5.

7 0
3 years ago
What force is the type of intermolecular force that would be present between molecules of Cl2 ?
KatRina [158]

Cl2 is nonpolar so it has to be only London dispersion force (LDF)

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