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viktelen [127]
2 years ago
11

Write the formulas for the following compounds :

Chemistry
2 answers:
Viefleur [7K]2 years ago
7 0

Explanation:

1.Na3PO4

2.PI3

therefore this is the formula for sodium phosphate and phosphrous triiodide

Vanyuwa [196]2 years ago
6 0
Sodium phosphate = Na₃PO₄

phosphorus triiodide = PI3

hope this helps. make brainliest please!
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If cats take over the world, will you make them extinct or be their slave.
prisoha [69]

Answer:

Make them go instinct

Explanation:

No one wants cats taking over the whole world

3 0
3 years ago
For a steel stack that exhausts 1,200 m3/min of gases at 1 atm and 400 k, calculate the inner diameter if you are designing for
bonufazy [111]

The inner diameter for a steel stack that exhausts 1,200 m3/min of gases at 1 atm and 400 k is 1.45 m

<h3>What is Stack Height ?</h3>

Stack height means the distance from the ground-level elevation at the base of the stack to the crown of the stack.

If a stack arises from a building or other structure, the ground-level elevation of that building or structure will be used as the base elevation of the stack.

Given is a steel stack that exhausts 1,200 cu.m/min of gases

P= 1 atm and

T= 400 K

maximum expected wind speed at stack height of 12 m/s

The formula for the diameter of chimney

\rm d=\sqrt{\dfrac{4Q}{\pi v} }

Q =1200 cu.m/min

= 1200 * 0.0166 = 19.92 cu.m/sec

Velocity = 12m/s

\rm d=\sqrt{\dfrac{4\times 19.92}{3.14*12} }\\

d= 1.45 m

Therefore The inner diameter for a steel stack that exhausts 1,200 m3/min of gases at 1 atm and 400 k is 1.45 m.

To know more about Stack Height

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8 0
2 years ago
All members of the alkene series of hydrocarbons have the general formula:
LenaWriter [7]

CnH2n since the equivalent unsaturation is equal with 1

7 0
2 years ago
Easy way to remember the difference between ionic and covalent bonds?
patriot [66]

Answer:

ionic bonding occurs between ions and covalent bonding occurs when atoms have electrons in common (they share).

5 0
1 year ago
A helium balloon with an internal pressure of 1.00 atm and a volume of 4.50 L at 20.0 °C is released. What volume will the ballo
meriva

Answer:

The balloon will occupy a volume of 6.48 L

Explanation:

<u>Step 1: </u>Data given

internal pressure = 1.00 atm

volume = 4.50 L

Temperature = 20.0 °C

<u>Step 2:</u> Calculate new volume via the ideal gas law

P*V = n*R*T

(P1*V1)/ T1 = (P2*V2)/T2

⇒ with P1 = 1.00 atm

⇒ with V1 = 4.50 L

⇒ with T1 = 20.0 °C = 293 Kelvin

⇒ with P2 = 0.600 atm

⇒ with V2 = TO BE DETERMINED

⇒ with T2 = -20°C = 253 Kelvin

(1.00atm * 4.50 L)/293 Kelvin = (0.600 atm*V2) / 253 Kelvin

0.01536 = 0.00237 V2

V2 = 6.48 L

The balloon will occupy a volume of 6.48 L

7 0
2 years ago
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