1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kakasveta [241]
3 years ago
13

2) Which one is not an ionic compound? a) LiCl b) MgBr 2 c) CaO d) HCl

Chemistry
1 answer:
kondaur [170]3 years ago
5 0

Answer:

A

Explanation:

LiCl is an ionic compound because Li is a metal (all elements in the first 2 rows are metals) and chlorine is a non-metal.

You might be interested in
Which has more kenetic energy: A 150 g bullet fired from a gun achieving a velocity of 440 m/s and a standard baseball weighing
aleksley [76]

Answer:

Bullet has more kinetic energy then baseball.

Explanation:

Mass of the bullet , m = 150 g = 0.150 kg

Velocity of the bullet = v = 440 m/s

Kinetic energy =\frac{1}{2}\times mass\times (velocity)^2

Kinetic energy of the bullet = K.E

K.E=\frac{1}{2}mv^2=\frac{1}{2}\times 0.150 kg\times (440 m/s)^2

=14,520 Joules

Mass of the baseball, m' = \frac{51}{4} oz= 0.36146 kg

(1 ounce = 0.0283495 kg)

Velocity of the baseball= v' = 105.1 mph

1 mile = 1609.34 m

1 hour = 3600 seconds

v'=\frac{ 105.1\times 1609.34 m}{3600 s}=46.98 m/s

Kinetic energy of the baseball = K.E'

K.E'=\frac{1}{2}m'v'^2=\frac{1}{2}\times 0.36146 kg\times (46.98 m/s)^2

=398.83 Joules

14,520 Joules > 398.83 Joules

K.E > K.E'

Bullet has more kinetic energy then baseball.

7 0
4 years ago
The immediate destructive action of a nuclear explosion is caused by this.
Delicious77 [7]
<span>The immediate destructive action of a nuclear explosion is caused by shock. The answer is letter D. The shock wave cause an instantaneous jump in pressure at the schock front. The combination of the pressure produced in the front and the jump causes the damage.</span>
4 0
4 years ago
A sample of gas in a balloon has an initial temperature of 21 ∘C and a volume of 1310 L . If the temperature changes to 70 ∘C ,
bixtya [17]

Answer:

1528.3L

Explanation:

To solve this problem we should know this formula:

V₁ / T₁ = V₂ / T₂

We must convert the values of T° to Absolute T° (T° in K)

21°C + 273 = 294K

70°C + 273 = 343K

Now we can replace the data

1310L / 294K = V₂ / 343K

V₂ = (1310L / 294K) . 343K → 1528.3L

If the pressure keeps on constant, volume is modified directly proportional to absolute temperature. As T° has increased, the volume increased too

7 0
4 years ago
Consider the combustion of methanol at some high temperature in a constant-pressure reaction chamber: 2ch3oh (g) + 3o2 (g) \long
Monica [59]

The balanced reaction is

2CH3OH (g) + 3O2 (g) ⟶ 2CO2 (g) + 4H2O (g)

as per equation two moles of methanol gas will react with 3 moles of oxygen

one mole of gas occupies 22.4 L of volume

so the moles and volume goes in same ratio

it means two unit volume of methanol will react with three unit volume of oxygen

therefore 1L of methanol gas will react with 3 /2 L of oxygen

Or 18 L of methanol gas will react with 3 x 18 /2 = 27  L of oxygen

So here oxygen is limiting reagent

As per balanced equation

10L of oxygen will react with = 2 X 10 /3 L of methanol = 6.67 L of methanol gas to give 6.67 L of CO2 gas and 13.33 L of water gas

So overall there will be = 18 - 6.67 L of left out methanol = 11.33 L

And 6.67 L of CO2 + 13.33 L of water = 20 L

Total volume of gas = 11.33+ 20 = 31.33 L

8 0
3 years ago
Read 2 more answers
Which characteristic of water allows its molecules to form hydrogen bonds?
JulijaS [17]
When water molecules align with each other, a weak bond is established between the negatively charged oxygen atom<span> of one water molecule and the positively charged </span>hydrogen atoms<span> of a neighboring water molecule. The weak bond that often forms between </span>hydrogen atoms<span> and neighboring atoms is the hydrogen bond.</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • How many water molecules would be produced in making a polypeptide that is 14 amino acids long?
    8·2 answers
  • What is the concentration of a dextrose solution prepared by diluting 16 mL of a 1.0 M dextrose solution to 25 mL using a 25 mL
    13·1 answer
  • SOMEONE PLS HELP ME ITS URGENT
    9·2 answers
  • 33. According to the law of conservation of mass,<br> when is mass conserved?
    7·1 answer
  • Consider the following statements about first ionization energies:
    6·1 answer
  • "An aqueous CaCl2 solution has a vapor pressure of 83.1mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92
    14·1 answer
  • Which of the following is a heterogeneous mixture?
    13·1 answer
  • 31. Use the equation given below to answer the following question: If 755 kJ of heat was absorbed, what mass of carbon dioxide r
    8·1 answer
  • Which physical property will change if the amount of the sample changes?​
    14·1 answer
  • What type of solution is formed when solid sodium hydroxide (NaOH) is dissolved in water?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!