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spin [16.1K]
2 years ago
12

Gizmo Student Exploration: Periodic Trends awner key, Please I need help with this as soon as possible! I have attached what I h

ave so far
Chemistry
1 answer:
Vlad [161]2 years ago
6 0

Answer:

I cant see it

Explanation:

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The melting point of gallium metal is 29.76⁰C. If a piece of gallium is sliced into three parts, the melting point of each part
Ahat [919]

Answer:

itd be B because the melting point is 29.76 no matter the size

Explanation:

7 0
3 years ago
Dr. Terror has developed a new alloy called Ultranomium. He is testing a bar that is 1.25 m1.25 m long and has a mass of 382 g.3
MrRissso [65]

Answer:0.8742j/g°C

Explanation: SOLUTION

GIVEN

length of bar=1.25m

mass 382g

temperature= 20°C to 288°C

Q=89300J

Specific Heat Capacity  will be calculated using

Q=mC∆T

where

C = specific heat capacity

Q = heat

m = mass

Δ T = change in temperature

C=Q/ m∆T

=89300/382X(288-20.6)

=0.8742j/g°C

4 0
3 years ago
H2, N2, O2 molecules. . . A)must be polar. must be nonpolar. . B)can be polar or nonpolar depending on geometric . C)configurati
LenKa [72]

Answer: The correct option is A.

Explanation: The given molecules are the molecules of same element.

These molecules are considered as diatomic species.

Polar molecules are the molecules in which some polarity is present in the bond. These molecules are formed when there is some difference in the electronegativities of the elements. Example: HCl

Non-polar molecules are the molecules where no polarity is present in the bond. These molecules are formed when there is no difference in the electronegativities of the elements. Example: H_2, O_2

The given molecules are non-polar in nature.

Hence, these molecules must be non-polar. So, the correct option is A.

6 0
2 years ago
Read 2 more answers
Given the chemical reaction Fe3O4 + H2 ⟶ Fe + H2O, identify the coefficient of H2O in the balanced equation.
Nesterboy [21]

Answer:

fe3o4+4h2 - 3fe + 4h2o

therefore coefficient is 4

6 0
3 years ago
What is the significance of enzymes in maintaining homeostasis in living organisms ?
GalinKa [24]
 Enzymes are needed for metabolic pathways in the body, respiration, digestion and other important life processes. When enzymes function properly, homeostasis is maintained. However, if an enzyme is lacking or has an incorrect shape due to genetic mutation, this can lead to disease within an organism.
7 0
3 years ago
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