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wel
3 years ago
8

How many quarters fit in a 1.75 liter bottle?

Chemistry
2 answers:
WARRIOR [948]3 years ago
8 0
1.85 quarts can fit into a 1.75 liter bottle
Volgvan3 years ago
3 0

Answer:

In a 1.75 liter bottle fit 1.8492 quarters.

Explanation:

The quarter is a unit of volume. It is equivalent to \frac{1}{4} of a gallon :

1gallon=3.78541L

Where L is liter

⇒

\frac{1}{4}gallon=1quarter=\frac{3.78541L}{4}

To find how many quarters fit in a 1.75 L bottle we can write :

\frac{\frac{3.78541L}{4}}{1quarter}=\frac{1.75L}{x}

Solving for x :

x=\frac{(1.75L).(1quarter)}{\frac{3.78541L}{4}}

x=1.8492quarters

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What happens when oil is poured into water? How does this explain the saying “like dissolves like”
Amanda [17]
I can't explain the like dissolves like part but the water and oil I can

when oil is poured into water the oil will stay at the top of the water meaning that water is more dense than oil
7 0
4 years ago
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You observe 2 waves named alpha and beta. The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz. Base
MAVERICK [17]

Answer:

shorter wavelength = alpha wave

Explanation:

Given that,

The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz.

We need to compare the wavelengths of these two waves.

For alpha wave,

\lambda_1=\dfrac{c}{f_1}\\\\\lambda_1=\dfrac{3\times 10^8}{5}\\\\=6\times 10^7\ m

For beta wave,

\lambda_2=\dfrac{c}{f_2}\\\\\lambda_2=\dfrac{3\times 10^8}{2}\\\\=15\times 10^7\ m

From the above calculations, we find that the wavelength of the alpha wave is shorter than the wavelength of the beta wave.

8 0
3 years ago
No two different elements will have the atomic number.-
Alborosie

Answer:

True!

Explanation:

Atomic number is special for each element! For eg Hydrogen has atomic number 1, no other element has that atomic number besides Hydrogen

7 0
3 years ago
Approximately how many ice cubes must melt to cool 650 milliliters of water from 29°C to 0°C? Assume that each ice cube contains
qwelly [4]

Answer : The number of ice cubes melt must be, 13

Explanation :

First we have to calculate the mass of water.

\text{Mass of water}=\text{Density of water}\times \text{Volume of water}

Density of water = 1.00 g/mL

Volume of water = 650 mL

\text{Mass of water}=1.00g/mL\times 650mL=650g

Now we have to calculate the heat released on cooling.

Heat released on cooling = m\times c\times (T_2-T_1)

where,

m = mass of water = 650 g

c = specific heat capacity of water = 4.18J/g^oC

T_2 = final temperature = 29^oC

T_2 = initial temperature = 0^oC

Now put all the given values in the above expression, we get:

Heat released on cooling = 650g\times 4.18J/g^oC\times (29-0)^oC

Heat released on cooling = 78793 J = 78.793 kJ   (1 J = 0.001 kJ)

As, 1 ice cube contains 1 mole of water.

The heat required for 1 ice cube to melt = 6.02 kJ

Now we have to calculate the number of ice cubes melted.

Number of ice cubes melted = \frac{\text{Total heat}}{\text{Heat for 1 ice cube}}

Number of ice cubes melted = \frac{78.793kJ}{6.02kJ}

Number of ice cubes melted = 13.1 ≈ 13

Therefore, the number of ice cubes melt must be, 13

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4 years ago
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