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
GuDViN [60]
3 years ago
6

Screw has very high efficiency. a. True b. False

Chemistry
2 answers:
gavmur [86]3 years ago
7 0

False, because I said so.

NISA [10]3 years ago
5 0
False the output force and input force is low because the formula is output force divided by input force. Just a note you are not doing much input force into the screw because you hold the screwdriver
You might be interested in
What is the molarity of a solution that contains 0.400 mol HCI in 9.79 L solutions ​
USPshnik [31]

Molarity's formula is known as: Molarity(M)=moles of solute/liters solution.

In this case we are already given moles and liters so you just have to plug the numbers into the equation.

0.400 mol HCL/9.79L solution=0.040858M

If you were to use scientific notation, the answer will be: 4.1*10^-2, but otherwise, you can just use the decimals above and round appropriately as you see fit.

6 0
3 years ago
An atom of sodium can transfer its one valence electron to an atom of
Jet001 [13]

Answer: O fluorine to complete the octet rule

that right

6 0
2 years ago
the enthalpy of vaporization of an roganic alchol is 35.3 kJ/mol at the boiling pointof 64.2 C calculate the entropy change for
bonufazy [111]

Answer:

Explanation:

s=h/t

=35.3/64.2(c)

=35.3/337.2(k)

=0.104

3 0
1 year ago
What is the atomic mass?
labwork [276]

Answer:

Sonic has your answer The atomic mass is the mass of an atom. Although the SI unit of mass is kilogram, the atomic mass is often expressed in the non-SI unit dalton where 1 dalton is defined as ¹⁄₁₂ of the mass of a single carbon-12 atom, at res

8 0
3 years ago
Eli states that sodium phosphate is a mixture because it is composed of both sodium ions and phosphate ions.
KonstantinChe [14]

Answer is: c. It is incorrect because sodium phosphate is a compound that has a single composition.

Sodium phosphate is chemical compound composed of atoms connected with chemical bonds.

Pure substance is made of only one type of atom (element) or only one type of molecule (compound), it has definite and constant composition with distinct chemical properties.

Pure substances can be separated chemically, not physically, that is difference between pure substances and mixtures.

7 0
3 years ago
Read 2 more answers
Other questions:
  • How many moles of N2O5 are needed to produce 7.90 g of NO2? 2N2O5 = 4NO2 + O2
    9·2 answers
  • Describe the two eukaryotic animal cell organelles that have roles similar to the organs of the human digestive system.
    14·1 answer
  • What strategies did you use when you played the balancing chemical equations game? Which atoms were the easiest to start examini
    9·2 answers
  • sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of the solution?
    8·1 answer
  • 3. A chunk of wood measures 4 cm x 5 cm x 6 cm and has a mass of 84 g. What is
    7·1 answer
  • ANSWER ASAP (20 POINTS)
    5·1 answer
  • How does amount of greenhouse gases affect the temperature of the Earth's atmosphere?
    15·2 answers
  • What is the symbol of gold ​
    11·2 answers
  • How does an atom of one element differ from the atom of another element?
    15·1 answer
  • how can you find the Frequency if you only have the wavelength? can you solve this example what is the Frequency of the waveleng
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!