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
zimovet [89]
3 years ago
14

(I’m timed please help) What occurs during a solar eclipse? Check all that apply

Chemistry
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:

1 and 2

Explanation:

Ymorist [56]3 years ago
5 0

Answer:

the moon is between the earth and the sun

Explanation:

☀️ = solar eclipse

You might be interested in
What is the pH when 30.0 ml of 0.005 M HF is mixed with 15.0 ml of 0.01 M NaOH?​
andreev551 [17]

Answer:

7.36

Explanation:

my teacher said that was the right answer

7 0
3 years ago
1. If you have 25% radioactive parent atoms in a mineral crystal, and 75% daughter atoms, how many half-lives have passed?
Andreyy89
Too freaking many... or maybe not many at all

5 0
3 years ago
A sample of an unknown compound was decomposed and found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen, and 2.05 mol carb
AfilCa [17]

We are given the number of moles:

O = 1.36 mol

H = 4.10 mol

C = 2.05 mol

 

To get the empirical formula, first divide everything by the smallest number of moles = 1.36 mol. So that:

O = 1 mol

H = 3 mol

C = 1.5 mol

 

Next step is to multiply everything by a number such that all will be a whole number. In this case, multiply by 2 to get a whole number for C, so that:

O = 2 mol

H = 6 mol

C = 3 mol

 

Therefore the empirical formula of the compound is:

C3H6O2

8 0
4 years ago
What are two elements that produce background radiation on earth and what do their decay equations look like?
Vlada [557]
1. U₂₃₈→α→Th₂₃₄(UX₁) 
<span>2. Th₂₂₈→α→Ra₂₂₆(MsTh₁) </span>

<span>α = Alpha decay (release of He Nucleus) </span>
<span>The decay products are meso states that undergo further (β) decay</span>
4 0
3 years ago
A saline solution similar to that used for intravenous drips is made by dissolving 0.45 g sodium chloride in 50.00 g water. Whic
beks73 [17]

Answer:

E) 1, 2, and 3

Explanation:

50g H2O + 0.45g NaCl --> 50.45g saline solution

7 0
3 years ago
Other questions:
  • The density of human blood is 1.06g/ml the volume is 5.5l what is the mass in kg
    10·1 answer
  • Compare two cells.  One has a surface area to volume ratio of 3:1 and the other has a ratio of 6:1.  Which one will have a bette
    12·2 answers
  • Melting occurs when the particles in a solid ________.<br><br>please help!!​
    14·1 answer
  • Why should scientists perform experiments?
    8·2 answers
  • Write the acid-base reaction that occurred in the titration of potassium hydrogen phthalate(KHP), KHC8H4O4with sodium hydroxide,
    8·1 answer
  • Is it worth it? In other words, will the benefits we receive from an action be worth the costs? The process of weighing these de
    13·1 answer
  • Identify the missing species in each nuclear equation. Replace the question marks with the appropriate integer or symbol. Be410⟶
    15·1 answer
  • How many grams of Ba(NO3)2 contain 5.4 x 10^24
    6·2 answers
  • If You are given 14 moles of C2H5OH(Ethanol) and 13 moles of O2( Oxygen), how
    13·1 answer
  • What must two objects have in order for gravitational force to act on them?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!