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RUDIKE
2 months ago
13

Describe two shortcomings of the pennium model for isotopes

Chemistry
1 answer:
eduard [2.7K]2 months ago
3 0

Could you please inform me once you have any updates? I'm interested as it relates to a chemistry problem in my assignment.:)

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1. If a car is traveling 90 mi/hr, how many feet will the car travel in 1 sec? In 5 sec?
alisha [2963]

Answer:

The vehicle travels 660 feet

Explanation:

Initially, convert the speed into Feet per second

The car's speed is 90 mi/hr

1 mi = 5280 ft

For 90 miles, we calculate 90 x 5280 = 475,200 feet

1 hour = 60 minutes

1 minute = 60 seconds

Therefore,

1 hour = 60 x 60 seconds = 3600 seconds

Speed is defined as the distance covered by an object over time. The speed formula is:

Speed =\frac{distance}{time}

Speed =\frac{90mi}{1hr}... given

Speed =\frac{475200 ft}{3600sec}

Speed = 132 ft/sec

Thus,  time = 5 seconds

Speed =\frac{distance}{time}

distance =speed\times time

distance = 132ft/sec\times 5sec

Distance = 660 feet

3 0
1 month ago
What type of ossification occurs to form an immovable joint
Tems11 [2777]
The form of ossification that takes place is the endomembrane or endochondral type. In joints classified as SYNARTROSIS, there isn't an intermediate formation of ligament or cartilage, meaning the bone grows not from cartilage ossification but from undifferentiated cells that will calcify into bone cells, forming the primary structural units called OSTEONAS. The skull bones, particularly in the temporal region (Temporary Suture), exhibit this type of joint, which experiences rapid growth over a lifetime through mechanisms distinct from those affecting movable joints.
5 0
1 month ago
What message would you have gotten if your computer become infected with the elk cloner virus
Anarel [2989]

Elk Cloner: A program that personifies itself. It’ll attach to all your disks. It infiltrates your chips. Yes, it’s Cloner! It adheres to you like glue. It adjusts RAM to engage the Cloner.

7 0
2 months ago
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When 1.00 g of boron is burned in o2(g) to form b2o3(s), enough heat is generated to raise the temperature of 733 g of water fro
VMariaS [2998]
To tackle this problem, one must first determine the specific heat of water, which is the energy required to raise the temperature of 1 g of water by 1 degree C. The relationship is given by the formula q = c X m X delta T, where q indicates the specific heat of water, m signifies the mass, and delta T denotes the temperature change. The specific heat of water is 4.184 J/(g X degree C). The temperature of the water increased by 20 degrees, therefore: 4.184 x 713 x 20.0 = 59700 J, rounded to 3 significant digits, equals 59.7 kJ. This value indicates the energy required to produce B2O3 from 1 gram of boron. To convert this to kJ/mole, additional calculations are required. The gram atomic mass of Boron is 10.811, so dividing 1 gram of boron by 10.811 results in.0925 moles of boron. Given that 2 moles of boron are needed for the formation of 1 mole of B2O3, dividing the moles of boron by two yields.0925/2 =.0462 moles. Consequently, dividing the energy in KJ by the number of moles provides KJ/mole: 59.7/.0462 = 1290 KJ/mole.
7 0
1 month ago
Name the region of the atom where protons and neutrons are located. This region is indicated by label B. Name the region of the
Tems11 [2777]

Atoms have their protons and neutrons situated in the nucleus.

Electrons orbit in the outer shells, also known as orbitals.

Subatomic particles, comprising protons, neutrons, and electrons, reside within the atoms.

7 0
1 month ago
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