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pshichka [43]
3 years ago
5

Which type or types of waves are mechanical? A. Longitudinal B. Transverse C.Electromagnetic D.Both Longitudinal and Transverse

Chemistry
1 answer:
erik [133]3 years ago
5 0

Answer:

D.Both Longitudinal and Transverse

Explanation:

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The molar mass of C2H6O2
KengaRu [80]

Answer:

62.07 g/mol

Explanation:

3 0
2 years ago
the hcp ordered 0.2 mg of methylergonovine, and the vial contains 0.8 mg/ml. how many ml of methylergonovine should the nurse dr
olasank [31]

The volume (in mL) of methylergonovine the nurse should draw up in the syringeis is 0.25 mL

<h3>What is density? </h3>

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

With the concept of density, we can obtain the volume of methylergonovine. Details below

<h3>How to determine the volume </h3>

The following data were obtained from the question:

  • Mass of methylergonovine = 0.2 mg
  • Density of methylergonovine = 0.8 mg/mL
  • Volume of methylergonovine =?

Density = mass / volume

Cross multiply

Density × volume = mass

Divide both sides by density

Volume = mass / density

Volume = 0.2 / 0.8

Volume of methylergonovine = 0.25 mL

Learn more about density:

brainly.com/question/952755

#SPJ1

8 0
1 year ago
What is the atomic mass equal to?
mixer [17]

Atomic mass is equal to the total number of electrons  neutrons and protons

8 0
3 years ago
Read 2 more answers
Why do object change speed or direction?
Vadim26 [7]
The force upon a moving object
8 0
3 years ago
Number of Mg(OH)2 formula units in 7.40 moles of Mg(OH)2.
-Dominant- [34]
The answer is 4.45 × 10²⁴ units.

To calculate this, we will use Avogadro's number which is the number of units (atoms, molecules) in 1 mole of substance:
6.02 × 10²³ units per 1 mole

So, we need a proportion:
If 6.02 × 10²³ units are in 1 mole, how many units will be in 7.40 moles:
6.02 × 10²³ units : 1 mole = x : 7.40 moles

After crossing the products:
1 mole * x =  7.40 moles * 6.02 × 10²³ units
x = 7.40 * 6.02 × 10²³ units
x = 44.5 × 10²³ units = 4.45× 10²⁴ unit
5 0
2 years ago
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