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Andrei [34K]
3 years ago
7

What are Earth's four interconnected global systems?

Chemistry
1 answer:
slava [35]3 years ago
6 0

Answer:

Answer D

Explanation:

The Earth's system can be placed into four sub- groupings- : atmosphere, biosphere, lithosphere, and hydrosphere.

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The overall order of an elementary step directly corresponds to its molecularity.
inna [77]

Answer:

true

Explanation:

7 0
3 years ago
In the reaction, A -----> Products, the rate constant is 3.6 x 10^−4 s−1. If the initial concentration of A is 0.548 M, what
swat32

Answer:

0.529

Explanation:

Let's consider the reaction A → Products

Since the units of the rate constant are s⁻1, this is a first-order reaction with respect to A.

We can find the concentration of A at a certain time t ([A]_{t}) using the following expression.

[A]_{t}=[A]_{0}.e^{-k\times t}

where,

[A]₀: initial concentration of A

k: rate constant

[A]_{t}=0.548M.e^{-3.6\times 10^{-4}s^{-1}\times 99.2s }

[A]_{t}=0.529 M

5 0
3 years ago
The labeled images each represent the wave patterns found in the electromagnetic wave spectrum. Which image is correctly labeled
Nataly_w [17]
Https://us-static.z-dn.net/files/d15/c111c5e1b23135c61adec7b554629964.jpg

I believe the answer is the third option. Hope this helps! Please tell me if I am wrong or if there was an error in my answer... also sorry this answer is late.

6 0
3 years ago
Read 2 more answers
Calculate the pH of a 0.0150 M HNO3 solution. Assume HNO3
stellarik [79]

Answer: 1.824

Explanation: facts

4 0
3 years ago
Calculate the pressure (in kpa) of 1.5 mole of helium gas at 354 k when it occupies a volume of 16.5l.
3241004551 [841]

Answer:

267.57 kPa

Explanation:

Ideal gas law:

PV = n RT        R = 8.314462    L-kPa/K-mol

P (16.5) = 1.5 (8.314462)(354)       P = 267.57 kPa

8 0
2 years ago
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