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
jeka94
3 years ago
7

What does your heart do for your body?​

Chemistry
2 answers:
Makovka662 [10]3 years ago
6 0

Answer:

The heart sends blood around your body. The blood provides your body with the oxygen and nutrients it needs. It also carries away waste. Your heart is sort of like a pump, or two pumps in one.

Explanation:

:)

e-lub [12.9K]3 years ago
3 0

Answer:

The heart sends blood around your body. The blood provides your body with the oxygen and nutrients it needs. It also carries away waste. Your heart is sort of like a pump, or two pumps in one

You might be interested in
Which of the following is the correct measurement for the volume of liquid shown below?
kobusy [5.1K]
B, 51 mL of mystery solution
4 0
3 years ago
Which of the following is typical of a tropical climate?
muminat

Answer:

D

Explanation:

6 0
3 years ago
Read 2 more answers
Light bulbs transform electrical energy to light energy. No energy transformation is 100%. Thus, in the transfer from electrical
arlik [135]

Answer: a

Explanation: usa test prep said it was right

7 0
3 years ago
Read 2 more answers
How are quantum numbers related to atomic orbitals?
sdas [7]
When considering atomic orbitals the only important information they really wanted to know is the size of the orbit, which was described by using quantum numbers.
3 0
3 years ago
125 ml of nitrogen gas is collected at 70.0 degrees Celsius. The pressure
dybincka [34]

Answer: Volume of the gas at STP is 22.53 L.

Explanation:

Given : Volume = 125 mL   (as 1 mL = 0.001 L) = 0.125 L

Temperature = 70^{o}C = (70 + 273) K = 343 K

Pressure = 125 kPa = 125 kPa \times \frac{0.01 atm}{1 kPa} = 1.25 atm

According to the ideal gas equation, the volume of given nitrogen gas is calculated as follows.

PV = nRT

where,

P = pressure

V = volume

n = number of moles

R = gas constant = 0.0821 L atm/mol K

T = temperature

Substitute the values into above formula as follows.

1.25 atm \times V = 1 mol \times 0.0821 L atm/mol K \times 343 K\\V = \frac{1 mol \times 0.0821 L atm/mol K \times 343 K}{1.25 atm}\\= \frac{28.1603}{1.25} L\\= 22.53 L

Hence, volume of the gas at STP is 22.53 L.

5 0
3 years ago
Other questions:
  • What is the rise and fall of ocean water are called
    10·2 answers
  • Which phrase is the best description of weathering?
    8·1 answer
  • Creatine phosphate
    6·1 answer
  • Which of the following energy yields is most likely to have come from a fission or a fusion reaction?
    14·1 answer
  • An unknown compound containing only C and H was burnt, yielding 10.2 g of CO2 and 6.3 g of H2O. With a molecular weight of about
    14·1 answer
  • A graduated cylinder is filled with 54.32 cm3 of water. An irregular solid made of iron is carefully placed into the graduated c
    12·1 answer
  • On the pressure.
    14·1 answer
  • Given 2AL + 6HCL → 2ALCL3 + 3H2, how many grams of aluminum do I need to produce 11 L of hydrogen gas at STP?
    7·1 answer
  • Explain why the ionization energy to remove a second electron from potassium is higher than the ionization energy to remove four
    13·1 answer
  • Is there a way of knowing the charges of transitional elements other than to memorize them?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!