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Katena32 [7]
3 years ago
12

I need help for this question

Chemistry
1 answer:
sesenic [268]3 years ago
5 0

Answer:

Blanced

Explanation:

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Mass=4grams Density=2g/ml
Tom [10]

Answer:

you can also get the target audience for the first one in the world 35ml.

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3 years ago
What did Zoya and her freind do in response
Mama L [17]
In response of what like what’s the full clear question
5 0
3 years ago
In a titration of 0.5 M HCl and an unknown concentration NaOH, 25.0 ml of NaOH was required to completely neutralize 25.0 ml of
baherus [9]
When an acid is neutralized by a base, that means moles of H+ = moles of OH-

moles of H+ = 0.5 M * 0.025 L HCl = 0.0125 moles H+

moles of OH- should be equal to 0.0125 moles, so
0.0125 moles = (x) * 0.025 L NaOH

x is the concentration of NaOH, which we want to find.

x = 0.5 M

The correct answer is C) 0.5 M.
6 0
3 years ago
A compound has a molar mass of 90. grams per mole and the empirical formula CH2O. What is the molecular formula of this compound
Elanso [62]
The molecular formula of this compound is C3H603 XD
8 0
3 years ago
What does the duct calculator tell a technician about static pressure and airflow?
scoray [572]

Answer:

It displays the static pressure loss over a length of 100 feet for a specific duct size and airflow.

<h2>What is a ductulator?</h2>

People who work in the HVAC and construction industries use ductulators to size the ductwork in mechanical systems. It enables you to select the volumetric flow rate after selecting the static pressure you wish to keep in the duct. The ductulator offers you a wide range of rectangular duct diameters that will create this when you enter those criteria. It also displays the required diameter for a circular duct. The actual instrument is constructed of sturdy, thick paper, and it contains a rotating piece that lets you select the two settings I previously indicated.

3 0
2 years ago
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