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yuradex [85]
3 years ago
7

Can someone explain to me step by step with the equation on how to do it thx

Chemistry
1 answer:
Tasya [4]3 years ago
6 0

Answer:

h=1

c=12

there 8 h

then there are 5 c

Explanation:

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Please help me!! A sample of an unknown metal has a mass of 22.4g. A graduated cylinder contains 3.2 ml of water. After the meta
Firdavs [7]

Answer:

d = 14.9 g/mL

Explanation:

Given data:

Mass of metal = 22.4 g

Volume of eater = 3.2 mL

Volume of water + metal = 4.7 mL

Density of metal = ?

Solution:

Volume of metal:

Volume of metal = volume of water+ metal - volume of water

Volume of metal = 4.7 mL - 3.2 mL

Volume of metal = 1.5 mL

Density of metal:

d = m/v

d = 22.4 g/ 1.5 mL

d = 14.9 g/mL

6 0
2 years ago
Scientists claim that climate change is happening because Earth is warming. They
Evgen [1.6K]

Answer:

A

Explanation:

6 0
2 years ago
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Given the following reaction and data, A + B → Products
natima [27]

Answer:

a. Rate = k×[A]

b. k = 0.213s⁻¹

Explanation:

a. When you are studying the kinetics of a reaction such as:

A + B → Products.

General rate law must be like:

Rate = k×[A]ᵃ[B]ᵇ

You must make experiments change initial concentrations of A and B trying to find k, a and b parameters.

If you see experiments 1 and 3, concentration of A is doubled and the Rate of the reaction is doubled to. That means a = 1

Rate = k×[A]¹[B]ᵇ

In experiment 1 and to the concentration of B change from 1.50M to 2.50M but rate maintains the same. That is only possible if b = 0. (The kinetics of the reaction is indepent to [B]

Rate = k×[A][B]⁰

<h3>Rate = k×[A]</h3>

b. Replacing with values of experiment 1 (You can do the same with experiment 3 obtaining the same) k is:

Rate = k×[A]

0.320M/s = k×[1.50M]

<h3>k = 0.213s⁻¹</h3>

6 0
3 years ago
How many f orbitals have the value n = 3?
dalvyx [7]
The Answer You Are Looking For Is.......


b) 3



HOPE THIS HELPS!!!!!
4 0
3 years ago
How many moles of CO are present in 35.88 L of the gas?
Pepsi [2]

Answer:

1.602 moles CO

Explanation:

To convert from liters to moles, divide by 22.4:

35.88 L / 22.4 = 1.602 moles CO

7 0
3 years ago
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