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
vodka [1.7K]
4 years ago
12

What is the mass of the helium nucleus?

Chemistry
1 answer:
emmasim [6.3K]4 years ago
3 0

The mass of the helium nucleus is 6.64 x 10^-27 kilograms

You might be interested in
If you collect 1.75 L of hydrogen gas during a lab experiment, when the room temperature is 23ºC and the barometric pressure is
Marianna [84]

Answer:

n=0.0747mol

Explanation:

Hello,

In this case, since we can consider hydrogen gas as an ideal gas, we check the volume-pressure-temperature-mole relationship by using the ideal gas equation:

PV=nRT

Whereas we are asked to compute the moles given the temperature in Kelvins, thr pressure in atm and volume in L as shown below:

n=\frac{105kPa*\frac{0.009869atm}{1kPa}*1.75L}{0.082\frac{atm*L}{mol*K}*(23+273.15)K} \\\\n=0.0747mol

Best regards.

6 0
3 years ago
PLEASE HELP if u can i will mark u as brilliantbn
Vitek1552 [10]

Explanation:

1. Electron Cloud

2. Protons

3. Very Reactive but could be Medium.

4. Electrons but don't know.

7 0
3 years ago
Can the crabs see the plankton they eat near the ocean floor?
cricket20 [7]

Answer:

Explanation:

The crabs cannot see the plankton they eat near the ocean floor. For the crabs to see the plankton, some color of visible light would need to reach the plankton so that it can be reflected into the crabs' eyes.

4 0
3 years ago
Read 2 more answers
Animal that hunts and kills other animals for food. It is a consumer ( carnivore or omnivore )?
sergeinik [125]

Answer:

Carnivore

Explanation:

7 0
3 years ago
Read 2 more answers
Measuring levels of pollutants, such as nitrogen oxide in the atmosphere, is an example of chemistry research that ____.
Paraphin [41]

Answer:

aims to benefit the environment is the correct answer.

Explanation:

The goal of Aims to the benefits environment is to provide everyone information, values, and skills which are required to preserve and protect the environment.

Aims to benefit the environment includes

  • To decrease emissions and reduce pollution.
  • To improve waste management methods.
  • To reduce the consumption of natural sources.
  • To minimize noise and different nuisances.

3 0
3 years ago
Other questions:
  • An aqueous solution has a mass of 490 grams containing 8.5 × 10-3 gram of calcium ions. The concentration of calcium ions in thi
    14·1 answer
  • You need to prepare a solution with a specific concentration of Na+Na+ ions; however, someone used the end of the stock solution
    10·1 answer
  • An animal which eats plants and animals is a(n)
    13·1 answer
  • 7. A pastry chef bakes a cheesecake. What is this an example of?* O Physical Change O Physical Property Chemical Change Chemical
    8·1 answer
  • Watch It!
    14·1 answer
  • Which formulas represent two polar molecules?
    13·2 answers
  • Salt water is made of water (H2O) and NaCl (salt). Which of these substances is the solute
    11·1 answer
  • Un método de laboratorio para preparar O 2 (g) consiste en la descomposición de KCIO 3 (s): KCIO 3 (s)  KCI(s) + O 2 (g) a) ¿Cu
    13·1 answer
  • How many mol of Mg(OH)2 are produced with 5.84 mol of Mg3N2
    11·1 answer
  • The movement of the liquid in a thermometer shows changes in temperature. An increase in temperature indicates the molecules in
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!