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
lawyer [7]
3 years ago
12

Please help me it's due tmrw ​

Chemistry
1 answer:
Advocard [28]3 years ago
4 0

Answer:

A: The first one because it is going upward and that means getting warmer.

B: The second one is the cooling curve because it is going downward and that means cooler.

Explanation:

I hope this helps.

You might be interested in
Identify the factors that govern the speed and direction of a reaction. Check all that apply.
Fiesta28 [93]

Answer: option B and option C

Explanation:

4 0
3 years ago
2. Calculate the density of a metal that occupies 17.75 cm and has a mass of 342.93 g. [D = m/V]
satela [25.4K]

Answer:

19.32

Explanation:

the density is given by the mass over volume

the mass In this case is 342.93 and the volume is 17.75

d=342.93g/17.75cm

=19.32g/cm

i hope this helps

3 0
3 years ago
A graduated cylinder had 20mL of water. A sample of pyrite was placed in the cylinder and the volume moved to 35 mL. What is the
Ksju [112]
15mL because if it started as 20 mL and went to 35mL when u put in pyrite, the pyrite takes up 15mL
4 0
3 years ago
Show how acid and base given below dissociates in water​
Akimi4 [234]

Answer:

HOME is acid

KOH is base

5 0
3 years ago
What is the chemical equation from table salt made from baking soda
bagirrra123 [75]

NaHCO₃ + HCl → NaCl + H₂O + CO₂

<u>Explanation:</u>

NaHCO₃ + HCl → NaCl + H₂O + CO₂

When Sodium bi carbonate (NaHCO₃) reacts with hydrochloric acid (HCl), it forms table salt (NaCl), water ( H₂O ) and Carbon di oxide (CO₂) gas is evolved.

Here base reacts with acid to form salt and it is the neutralization reaction.

7 0
4 years ago
Other questions:
  • Who described atoms as small spheres that could not be divided into anything smaller?
    7·2 answers
  • Ann believes that carbohydrates store more energy than lipids. Nicco believes that lipids store twice as much energy as carbohyd
    8·2 answers
  • Which best describes an element
    5·1 answer
  • Which statment correctly decribes a law?
    14·1 answer
  • What happens to gas particles when a gas is compressed?
    5·1 answer
  • What is the function of nucleosomes ?
    9·2 answers
  • What is solubility? .​
    15·1 answer
  • The three most common phases of matter are
    13·1 answer
  • HELPPP PLS ILL GIVE 100 POINTS PLUS BRAINLY
    6·1 answer
  • Can chlorine become sulfur
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!