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lidiya [134]
3 years ago
11

What is the three-dimensional shape of the molecule this Lewis structure H — Be — H

Chemistry
2 answers:
ra1l [238]3 years ago
7 0

A: Bent

Hydrogen needs 2 electrons and Beryllium needs 8

kipiarov [429]3 years ago
6 0

Answer: The three dimensional shape of H-Be-H molecule is Linear.

Explanation: Be is a second group metal with only two valence electrons and H has only one valence electron. H wants to complete two electrons in its valence shell and for this each H forms a single covalent bond with central Be atom. As only two atoms(H atoms) are bonded to central Be atom and it does not have any lone pair of electrons, it's Linear in shape. The bond angle is 180 degree.

If you see any molecule where only two atoms are bonded to the central atom and the central atom doesn't have any lone pair of electrons then it must be Linear in shape.

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Answer:

the Ray's go right through it

Explanation:

the Ray's are so small they punch right through them

7 0
3 years ago
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Which of the following is true if the net force on an object is zero? (1 pt) a. The object must be at rest. b. The object’s spee
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Explanation:

the object must be at rest

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3 years ago
A compound of a transition metal and iodine is 56.7% metal by mass.How many grams of the metal can be obtained from 630 g of thi
erma4kov [3.2K]

Answer:

357 g of the transition metal are present in 630 grams of the compound of the transition metal and iodine

Explanation:

In any sample of the compound, the percentage by mass of the transition metal is 56.7%. This means that for a 100 g sample of the compound, 56.7 g is the metal while the remaining mass, 43.3 g is iodine.

Given mass of sample compound = 630 g

Calculating the mass of iodine present involves multiplying the percentage by mass composition of the metal by the mass of the given sample;

56.7 % = 56.7/100 = 0.567

Mass of transition metal = 0.567 * 630 = 357.21 g

Therefore, the mass of the transition metal  present in 630 g of the compound is approximately 357 g

4 0
3 years ago
Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. An industrial ch
Inessa [10]

Answer:

The answer is "\bold{4.97 \times 10^{-2}}"

Explanation:

Please find the complete question in the attached file.

Equation:

2SO_2+O_2  \leftrightharpoons 2SO_3

at t=0 3.3   \ \ \ \ \ \ \ \ \ \ 0.79

at equilibrium 3.3-p \ \ \ \ \ \ \ \ \ \ 0.79 - \frac{P}{2} \ \ \ \ \ \ \ \ \ \ \ \ P

p= 0.47 \ \ atm\\\\SO_2=3.3-0.47 = 2.83 \ \ atm\\\\O_2= 0.74 -\frac{0.47}{2}=0.74-0.235=0.555 \ atm\\\\K_P=\frac{[PSO_3]^2}{[PSO_2]^2[PO_2]}\\\\

     =\frac{0.47^2}{2.83^2\times 0.555}\\\\=4.97 \times 10^{-2}

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The statement that best describes an advantage of cloning is that it can prevent genetic diseases. DNA cloning is a term used in recombinant DNA technology happens when a DNA strand belonging to one organism is transmitted into a particular type of genetic element having the capacity to self replicate. DNA cloning was developed to offer solutions related to healthcare and medical issues. Illnesses occur mostly because our body fails to produce essential proteins in ample amount is needed, these problems and other inherited problems may be solved using DNA cloning.
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