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
Deffense [45]
3 years ago
15

Critique Maria’s laboratory safety procedures.

Chemistry
1 answer:
Svetllana [295]3 years ago
3 0
1.No eating in the lab
2.No running around in the lab
3.Wear gloves while performing experiments
4.Clen your hands before you leave the lab
You might be interested in
Calculate the density of a material that has a mass of 50.5g and a volume of 14.5cm3.
White raven [17]
Density = mass / volume = 50.5/14.5 = 3.48 g/cm ^{3}.
4 0
3 years ago
why do you think you can find silver and gold on their own in rocks but calcium and magnesium are combined with other elements t
katrin [286]

Explanation:

Silver and Gold belong to a special group of metals known as the native metals. They are found naturally on their own and not in combined form in rocks.

  • These metals are found uncombined because they are unreactive.
  • They prefer to alloy with themselves.
  • Calcium and magnesium on the other hand are reactive metals.
  • The unreactivity of these metals makes them uncombined in nature.
4 0
3 years ago
Read 2 more answers
Please help urgent Balance the following word equation:
LekaFEV [45]

Answer:

AlCl3 + 3Na > Al + 3NaCl

Explanation:

AlCl3+Na → Al + NaCl

Al =1 Al=1

Cl =3 Cl = 1

Na=1. Na = 1

so balance

and it would be

Alcl3 + 3Na → Al + 3NaCl

8 0
3 years ago
PLease answer the thing and explain why is that...
iragen [17]

Answer: i think its d

Explanation:

4 0
2 years ago
What does the process of natural selection involve
Lorico [155]

Answer:

Only the organisms best adapted to their environment tend to survive and transmit their genetic characters in increasing numbers to succeeding generations while those less adapted tend to be eliminated.

Explanation:

According to Darwin's Theory of Evolution.

Hope this helped.

5 0
3 years ago
Other questions:
  • Suppose that Max and Maria recorded data from
    9·2 answers
  • Consider the halogenation of ethene, where x is a generic halogen: h2c=ch2(g)+x2(g)→h2xc−ch2x(g) you may want to reference (page
    7·1 answer
  • Sodium (Na) A Homogeneous Mixture B Element C Compound D Heterogeneous Mixture
    7·1 answer
  • What are the magnitude (size) and direction of the cumulative force acting on the car shown in the picture A. 30 N to the right
    13·2 answers
  • Monochlorination of propane yields two constitutional isomers, and dichlorination yields four. Trichlorination yields five const
    6·2 answers
  • The density of lead is 11.3
    9·2 answers
  • On the period table, the rows are called
    5·1 answer
  • How many sulfur atoms are present in 100 grams of this compound? Report your answer to three significant figures.
    8·1 answer
  • You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You try
    12·1 answer
  • Calculate each of the following quantities:
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!