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
Finger [1]
3 years ago
13

Earth's southern hemisphere generally experiences colder temperatures in

Chemistry
1 answer:
denis-greek [22]3 years ago
3 0

Answer:

A

Explanation:

You might be interested in
2 Ca + O2 = 2 CaO 50g Ca used what is the grams of CaO?
tankabanditka [31]

Answer:

70g

Explanation:

2*40 of cawill require 112g of cao

50g of ca will require

Ans=70g of cao

5 0
3 years ago
Circle the letter of each sentence that is part of John Dalton’s atomic theory.
satela [25.4K]

Answer:

A) All the elements are composed of atoms.

d) Atoms cannot be created or destroyed in any chemical changes.

c) An atom of one element cannot be changed into an atom of a different element.

Explanation:

The main postulates of Dalton atomic theory was:

1) The matter is composed of atoms and atom is indivisible particle which can not be destroyed.

2) The atoms of an element are identical.

3) The atoms of different elements are combining with definite proportion and form compounds.

4) The atoms of different elements are different from each other.

5) During chemical reaction rearrangement of atoms occur and form new compounds.

4 0
3 years ago
How many total oxygen (O) atoms are present in the products side of the equation C2H5OH + 3O2 → 2CO2 + 3H2O?
kifflom [539]

Answer:

There are seven oxygen atoms in total on the product side.

Explanation:

The oxygen atom is present in both the species of CO₂ and H₂O. As there are two molecules of CO₂, so the number of oxygen atoms from it will be 4. There are three molecules of H₂O in the product side so oxygen atoms from it will be three. So, the total number of oxygen from both species is seven.

3 0
4 years ago
1000 silver atom weight 1.79×10^-19 g. calculate atomic mass of silver​
MissTica

Answer:

One million of silver atoms weigh 1.79 xx 10^(-16)g. Calculate the atomic mass of silver. Atomic mass of silver =107.8g=107.8u

7 0
3 years ago
Read 2 more answers
How many moles would a 3.9 g sample of Calcium Chloride contain?​
gtnhenbr [62]

Answer:

You can view more details on each measurement unit: molecular weight of CaCl2 or grams This compound is also known as Calcium Chloride. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles CaCl2, or 110.984 grams.

7 0
3 years ago
Other questions:
  • Use the Earth's Energy Budget diagram to answer the question. Based on the diagram, less solar energy that reaches Earth is ____
    5·1 answer
  • 10.222 g sample of hydrated barium iodide (Bal) is heated to dry off the water of
    5·1 answer
  • How much heat is absorbed/released when 20.00 g of NH3(g) (17.0307g/mol) react in the presence of excess O2(g) to produce NO(g)
    14·1 answer
  • I need all these im not in the mood for it toddayyy
    5·1 answer
  • NiO(aq) + CuCl2(aq) → CuO(aq) + NiCl2(aq) reaction type
    14·1 answer
  • How many molecules are there in 0.661 mol of O2 gas?
    9·1 answer
  • Which characteristics is ALWAYS true for all members of the plant kingdom
    12·1 answer
  • 3. Calculate the mass of NH3 that can be produced from the reaction of 125 g of NCI:
    15·1 answer
  • A gas at 200 Celsius and 10.0L expands to 20.0L. What is the new temperature in Celsius
    12·1 answer
  • The _______________________________ css3 property can be used to create multiple columns of text within a single element.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!