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Vesnalui [34]
3 years ago
15

What is the Molar mass of PbCO4

Chemistry
1 answer:
NNADVOKAT [17]3 years ago
8 0

Answer:

207.2 g/mol

Explanation:

Hopes help

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What is 95°F on the Celsius scale?
GarryVolchara [31]
ºC = ( ºF - 32 ) / 1.8

ºC = 95 - 32 / 1.8

ºC = 63 / 1.8

= 35 ºC

hope this helps!

5 0
3 years ago
Which processes occurs during the calvin cycle?
sleet_krkn [62]

Answer:

The Calvin cycle has four main steps: carbon fixation, reduction phase, carbohydrate formation, and regeneration phase. Energy to fuel chemical reactions in this sugar-generating process is provided by ATP and NADPH, chemical compounds which contain the energy plants have captured from sunlight.

Explanation:

8 0
3 years ago
How does oxygen concentration affect the fish that live in a pond
Maurinko [17]

Explanation: Oxygen plays a very vital role in the life of aquatic animals. The dissolved oxygen in the water helps them to breathe under water.

Optimum level of oxygen for deep living animals like oysters, bottom feeders, crabs is around (1-6 mg/L), while the animals living on the upper side like fishes require a higher amount of around (4-6 mg/L).

If the oxygen concentration in the pond is not optimum, there will no aquatic life and hence, the ecosystem will be affected.

Hence, oxygen concentration affects the fishes that live in the pond to a higher extent.

3 0
3 years ago
Read 2 more answers
All alkali earth metals have the same reactivity with water. True or False
zheka24 [161]
True.  Water is a neutral substance so nothing should react to it, this makes it so that no matter how basic a metal is, it reacts the same to water.
4 0
3 years ago
A laser used in eye surgery to fuse detached retinas produces radiation with a wavelength of 6.4 x 10^-7 m. What is the frequenc
defon

Answer:

ν ≈ 4.7 × 10¹⁴ Hz

General Formulas and Concepts:

<u>Chem</u>

Speed of Light = Wavelength times Frequency

  • c = λν
  • c = 3.0 × 10⁸ m/s

Explanation:

<u>Step 1: Define</u>

λ = 6.4 × 10⁻⁷ m

<u>Step 2: Solve for ν </u>

3.0 × 10⁸ = 6.4 × 10⁻⁷ · ν

ν = 4.6875 × 10¹⁴ Hz

<u>Step 3: Check</u>

<em>We are given 2 sig figs. Follow sig fig rules.</em>

4.6875 × 10¹⁴ Hz ≈ 4.7 × 10¹⁴ Hz

3 0
3 years ago
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