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Oduvanchick [21]
3 years ago
9

E the letters of the correct answers on the lines at left.

Chemistry
1 answer:
Neko [114]3 years ago
3 0

Suspension mixture was their dinner if they were having spaghetti and meatballs.  The right option is D.

Explanation:

Properties of suspension mixture are:

Bigger particles are seen in suspension, and they are visible by naked eye.

Suspension is a heterogenous mixture of either two or more substances.

Solute particles are not dissolved in solvent instead they are suspended as it is or in bulk.

Exhibits Tyndall effect.

Solid particles get sedimented easily.

A mixture of spaghetti and meatballs  are suspension because two paricles are not dissoved, and they have separate phases on sphagetti and meat ball where liquid in meat ball drizzles to bottom and meatball remians on top.

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1. Calculate the momentum of a 1,500 kg car traveling at 6 m/s.
ziro4ka [17]

Answer:

1.9000kgm/s

2.258,000kgm/s

Explanation:

1.Momentum is given as the product of mass by velocity of an object.

Momentum,p=mv

m=1,500kh, v=6m/s

p=1500*6\\p=9000kgm/s

2.Momentum,p=mv

m=7800kg, v=30m/s

p_1=7800*30\\p_1=234,000kgm/s\\

new mass=7800+800=8600

As mass is increased, so does the resultant velocity as mass is directly proportional to velocity.

p_2=8600*30\\p_2=258,000kgm/s

8 0
3 years ago
The pressure of a gas contained in a cylinder with a movable
insens350 [35]

Answer:

B) 244.5

Explanation:

2.62 torr =349.3046 pascals.

349.3046*0.7 sq meter = 244.5 N

4 0
3 years ago
Circle the solution with the highest concentration
choli [55]

Answer:

answer is option a..............

5 0
3 years ago
Read 2 more answers
How would you pick the right kind of fluid to use in your hydraulic lift?
love history [14]

Answer:you would pick the fluid by seeing what would work such as gas in a truck or car you need to know what would work best and the best power for the lift

Explanation:

3 0
3 years ago
Read 2 more answers
In an equimolar mixture of o2 and n2, are the mass fractions equal?
nika2105 [10]

Answer:

No

Explanation:

The mass fraction is defined as:

w_{i}=\frac{m_{i} }{m_{t} }

where:

  • wi: mass fraction of the substance i
  • mi: mass of the substance i
  • mt: total mass of the system

<u><em>The mass fraction of two substances (A and B), will be the same, ONLY if the mass of the substance A (mA) is the same as the mass of the substance B (mB).</em></u>

An equimolar mixutre of O2 and N2 has the same amount of moles of oxygen and nitrogen, just to give an example let's say that the system has 1 mole of O2 and 1 mole of N2. Then using the molecuar weigth of each of them we can calculate the mass:

mA= 1 mole of O2 * 16 g/1mol = 16 g

mB=1 mole of N2 *28 g/1mol=28 g

As mA≠mB then the mass fractions are not equal, so the answear is NO.

4 0
3 years ago
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