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
Ne4ueva [31]
3 years ago
15

Two students make a model of a tree house they want to build. the scale is 1:42 in the scale model the tree house door is 3 cm t

all
How tall should the real house door be?
Chemistry
1 answer:
Flura [38]3 years ago
4 0

Answer:126

Explanation:

You might be interested in
What do colligative properties depend on?
oee [108]
Colligative properties depend on the amount of solute dissolved in a solvent. These set of properties do not depend on the type of species present. These properties include freezing point depression, boiling point elevation, osmotic pressure and vapor pressure lowering.
5 0
3 years ago
Read 2 more answers
The mass of a substance per unit volume
Wittaler [7]
The mass of a substance per unit volume is the substance's density.

D = m/v.
5 0
3 years ago
How is heat produced in a chemical change​
Snezhnost [94]

Answer:Hola UwU

Most chemical reactions involve the breaking and formation of chemical bonds. It takes energy to break a chemical bond but energy is released when chemical bonds are formed. If more energy is released than consumed, then the chemical reaction evolves heat and is said to be exothermic.

Explanation:Adios~ UnU haha

7 0
3 years ago
I’m not sure quite sure about this one please help
ehidna [41]
This one is correct
3 0
3 years ago
Explain the differences between bronze and brass, and steel and cast iron. Which is best used for cooking wares?
Dennis_Churaev [7]

Answer:

Steel and cast iron

Explanation:

They are all metal but assuming that you are finding the best material for your pan i suggest going for steel or cast iron

8 0
2 years ago
Other questions:
  • How do you write the balanced equation for strontium hydroxide and zirconium (I) perchlorate
    12·1 answer
  • when bisecting an angle, one of the steps is to draw an arc centered on a point on a ray of the angle. in particular this angle
    8·1 answer
  • PLEASE ANSWER FAST
    8·2 answers
  • Scientists may come up with different interpretations of the same data.True or falls?
    6·1 answer
  • To make 4.25 L of 3.0 M NaOH solution how much of a 9.0 M NaOH solution would be needed?
    11·1 answer
  • Examination reveals that 180.2 g/mol of glucose contains 72.1 grams of carbon, 96 g/mol of oxygen and the remainder is hydrogen.
    11·1 answer
  • Which is the correct Lewis dot structure of NH2-?
    15·1 answer
  • What series does the following compound belong to?
    7·2 answers
  • What is the average of the two weights of a nickel and dime. Dime is 2.26g and nickel is 4.97g?
    10·1 answer
  • The Lewis dot model of a molecule is shown. Based on the model, which of the following is true? (5 points)
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!