1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lelechka [254]
3 years ago
15

The number of hydrogen atoms in 6NH3 is

Biology
2 answers:
Vika [28.1K]3 years ago
4 0

Answer: 18

Explanation:

This molecule, called ammonia, is a group of atoms held together by chemical bonds. In this example, the atoms (smallest pieces of matter) are nitrogen (N) and hydrgoen (H)

The number 6 indicates<u> the number of moles of the NH3 molecule</u>. A mole  is the unit of measurement used to measure the number of atoms or molecules. One mole is equal to 6.02214078×10^23 of the same things.

<u>And since there are 3 Hydrogen atoms found in each mole of ammonia,  and there are 6 moles of amminia, then 6 x 3 = 18 atoms of hydrogen.</u>

<u />

mamaluj [8]3 years ago
3 0

No 6 is common for N and H. 3 is only for H(Hydrogen).

For finding the number of hydrogen atoms we should multiply 6 with 3

 So, 6*3 = 18. So there will be 18 hydrogen atoms in 6NH₃

You might be interested in
Help me
IgorLugansk [536]
<span>Earthquakes happen in the Earth’s crust. It's when the plates on the crust move. </span>
3 0
3 years ago
The leg curl is a muscular resistance exercise that primarily works which muscle group?
Evgesh-ka [11]
The leg curl exercise focuses on three areas of your body: at the back of your thighs, the thing part nearest to your knee and the calves. The muscles involve in these areas are the hamstrings, quads and calf muscles, respectively.
7 0
3 years ago
Match the gastric phase on the left (1-3) with the correct description on the right (4-6):
dem82 [27]

Answer:

1 and 5,

2 and 6,

3 and 4

Explanation:

Intestinal phase: stomach empties and decreases secretions

The intestinal phase is the phase where stomach empties its contents(chyme) and decreases secretion. In this stage the duodenum responds to arriving chyme and moderates gastric activity through hormones and nervous reflexes.

The Chyme is the semi-fluid mass of partly digested food that is expelled by the stomach, through the pyloric valve, into the duodenum.

Gastric phase: stomach secretes juice and mixes food into chyme

The gastric phase is a period in which swallowed food and semi-digested protein ( peptides and amino acids ) activate gastric activity  which secretes juice and mixes food into chyme. About two-thirds of gastric secretion occurs during this phase.

Cephalic phase: prepares stomach for arrival of food

The cephalic phase of digestion is the gastric secretion that occurs prior to when food enters the oral cavity. Cephalic phase result from the ignition of  visual, olfactory, and auditory inputs to the brain and also induce anticipatory responses i.e  prepare the gastrointestinal tract for the meal.

4 0
4 years ago
____________ is an entity set that contains the commonly shared characteristics of it entities or subtypes. It includes characte
solniwko [45]

Answer:

A supertype entity

Explanation:

A supertype is a form of entity which has one or even more subgroups to relate to. A subtype is an entity type sub-group of entities that is relevant to the organisation and shares similar characteristics or relations which are different from certain sub-groups.

The entity supertype is a different form of entity type which has relationship with one or even more subtypes and includes subtypes '  of specific attributes.

6 0
3 years ago
What are the Independent (IV) and the Dependent Variable (DV) in this hypothesis?
Alexeev081 [22]

Answer:

the dependent is how fast the coronavirus spreads. independent is whether the person works in a public space or not

4 0
2 years ago
Other questions:
  • How do i Predict the molecular formula of a three-carbon alkyne.
    7·1 answer
  • What did the Tennessee court decide in the Scopes trial?
    12·2 answers
  • What types of minerals are among the most widely used in the world?
    14·1 answer
  • Economic systems ______
    10·2 answers
  • What macromolecule is the primary energy source for organisms?
    5·1 answer
  • tarah built a model that shows how the skeletal and muscular systems allow the human arm to bend. she used two wooden planks, a
    15·1 answer
  • The "master control genes" that regulate other genes, which determine what body parts will develop in which locations, are calle
    9·1 answer
  • 2. Which molecule should never be in the digestive system
    8·1 answer
  • Which list gives key events regarding the exploration of space in the correct order, beginning with the earliest? (1 point) PLEA
    14·1 answer
  • true or false? although cleft lip and cleft palate frequently occur together, cleft palate is repaired soon after birth and repa
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!