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nataly862011 [7]
3 years ago
10

Can someone please help me with the gizmo please message me if your willing to help :(

Chemistry
1 answer:
77julia77 [94]3 years ago
4 0

Answer:

airing Your GizmoWatch to the GizmoHub App 10. Register ... NOTE: If any component is missing, please contact the store ... Gizmo Buddies can text the GizmoWatch ... Tap Kids to access your child's full profile. If you have more than one child, swipe left or right to ... portable devices with LCD panels may be used to help.

Explanation:

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lorasvet [3.4K]
D — density

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5 0
3 years ago
Select the correct answer from the drop-down menu. a scientist digs up sample of arctic ice that is 458,000 years old. he takes
Jlenok [28]

The original mass of krypton 81 that is present in the ice is 6.70 grams.

<h3>How do we calculate original mass?</h3>

Original mass of any substance will be calculated as below for the decomposition reaction is:

N = N₀(1/2)ⁿ, where

N = remaining mass of krypton-81 = 1.675g

N₀ = original mass of krypton-81 = ?

n will be calculated as:
n = T/t, where

T = total time period = 458,000 years

t = half life time = 229,000 years

n = 458,000/229,000 = 2

Now putting all these values on the above equation, we get

N₀ = 1.675 / (1/2)²

N₀ = 6.70 g

Hence required mass is 6.70 g.

To know more about half life time, visit the below link:
brainly.com/question/2320811

8 0
2 years ago
An Oxygen Tank has a pressure of 1200. 0 Kpa at 283k. What will the pressure be if the temp. is increased to 378 K?
frosja888 [35]

Answer: (P2/P1)=(T2/T1)

(P2/1200.0kPa)=(387/283)

P2=(387K/283K) * (1200kPa)

P2= 1641kPa

Explanation:

7 0
3 years ago
Consider the reaction below.
SpyIntel [72]
Water is an amphoteric compound. This means it could be a base or an acid, depending on the substance it is to be reacted with. In this case, water is a base because HF is an acid. Now, if the reactant is an acid, its form after the reaction is called the conjugate pair. Since HF became F⁻, <em>the acid-conjugate base pair is: HF and F⁻.</em>
3 0
3 years ago
Read 2 more answers
A rock displaces 1,500 mL of water. The volume of the rock is
Schach [20]
1500 cm^3 ; 1 mL equals 1 cm^3
3 0
3 years ago
Read 2 more answers
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