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masya89 [10]
3 years ago
7

Different measurements are expressed in different units. Choose the correct Sl units for the following types of measurement 3 Th

e SI units for measuring the velocity of the car: The SI units for measuring the acceleration of the car: The SI units for measuring force: The SI units for measuring mass: <​
Chemistry
1 answer:
melamori03 [73]3 years ago
6 0

Answer:

The SI base units of length, mass, and time are the meter (m), kilogram (kg), and second (s), respectively. SI units are a metric system of units, meaning values can be calculated by factors of 10. Metric prefixes may be used with metric units to scale the base units to sizes appropriate for almost any application

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When an object floats in water, it displaces a volume of water that has a weight equal to the weight of the object. If a ship ha
swat32

The amount of seawater that will be displaced would be 1.3274 x 10^5  ft^3

<h3>Density and volume</h3>

Density = mass/volume.

Since a floating object displaces its own weight, a 4247 tons ship will also displace the same amount of water.

4247 tons of seawater = 3.8528 x 10^9 g

volume of 3.8528 x 10^9 g seawater = mass/density = 3.8528 x 10^9 g/1.025 = 3758829268.29 cubic centimeter.

3758829268.29 cm^3 = 132741.80 ft^3 or 1.3274 x 10^5  ft^3

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6 0
3 years ago
What are the compounds for the chemical formula B4S
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Answer:

boron sulfide

b=boron

s=sulfer

Explanation:

6 0
3 years ago
How many atoms are contained in 100.0 g of mercury
Romashka [77]

3.00097 x 10^{23} atoms are contained in 100.0 g of mercury.

<h3>What is moles?</h3>

The mole is defined as the amount of substance that contains as many elementary entities as there are atoms in exactly 12 g of carbon-12.”

Number of moles of mercury = \frac{mass}{molar \;mass}

Number of moles of mercury = \frac{100.0 g}{200.59 u}

=  0.4985 moles

Number of moles of mercury = Number of atoms = moles of Hg x 6.02 X 10^{23}

= 0.4985 x 6.02 X 10^{23}

= 3.00097 x 10^{23} atoms.

Hence, 3.00097 x 10^{23} atoms are contained in 100.0 g of mercury.

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5 0
2 years ago
What made Mendeleev certain that he should leave gaps in his table?
ser-zykov [4K]

Answer:

Mendeleev left gaps in his periodic table because he knew that these elements existed, but had not yet been discovered. He believed that the elements would be eventually found and would fit perfectly into the gaps. Two such elements are Germanium and Gallium.

Explanation:

8 0
3 years ago
A 6.55 g sample of aniline (C_{6}H_{5}H_{2}, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter. If the temperature r
Yuki888 [10]

Answer:

Explanation:

The answer is in the attachment

5 0
3 years ago
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