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
Zolol [24]
3 years ago
13

Balance the equations by inserting coefficients as needed.

Chemistry
2 answers:
ASHA 777 [7]3 years ago
7 0

Answer:

1.     CaCO3 + 2HCl → CaCl2 + H2O + CO2

2.    C6H12O2 + 8O2 → 6CO2 + 6H2O

Explanation:

skelet666 [1.2K]3 years ago
5 0

Answer:

CaCO3 + 2HCl --> CaCl2 + CO2 + H2O

C6H12O2 + 8O2 --> 6CO2 + 6H2O

Explanation:

You might be interested in
A 55 kg person on Earth has the __________mass on the moon.
Semmy [17]

Answer:

89.1 N

Explanation:

W = m gm = 55.0 x 1.62 = 89.1 N

5 0
3 years ago
Janet runs 6.4 miles in one hour. Is it speed or velocity or acceleration
Murrr4er [49]

Answer:

acceleration

Explanation:

6 0
2 years ago
1. A block of plastic occupies a volume of 25.0 mL and weighs 20.5 g. What is its density? Circle or highlight
chubhunter [2.5K]
I think answer should be d. Please give me brainlest let me know if it’s correct or not okay thanks bye
4 0
3 years ago
Use the portion of the periodic table shown below to answer the questions
leva [86]

Answer:

Part 1:sodium

rubidium

Part 2: protons neutrons and electrons are all 12

The number of protons is equal to the no. of neutrons from the electronic arrangement of magnesium and the no. of electrons is got from the atomic no. of magnesium

8 0
2 years ago
Which best describes how a fetus exchanges gases while in the womb?
vagabundo [1.1K]

Answer:

C. Gas exchange occurs through the placenta.

Explanation:

The fetus is a developing baby in the womb or uterus. The fetus is incapable of performing certain life processes itself and hence, depends on the mother to do them. One of these processes is GAS EXCHANGE. Gas exchange occurs in the fetus via a structure called PLACENTA.

Placenta is a structure that forms in the uterus during pregnancy. It helps the developing fetus supply oxygen and nutrients from the mother and also remove wastes from the fetus back to the mother. The oxygen is taken into the fetus via the PLACENTA while the carbon dioxide (waste product of respiration) is removed via the PLACENTA. Hence, Gas exchange occurs through the placenta.

5 0
3 years ago
Other questions:
  • A piece of metal has a volume of 38 cm and a mass of 277 g calculate the density of the metal
    11·1 answer
  • Seedless plants can reproduce through asexual reproduction. T or F
    15·2 answers
  • An acid-base indicator is used in what type of reaction? A. neutralization B. combination C. decomposition D. combustion
    6·2 answers
  • Electric charge<br> A. discovery b. Radiation c.electricity d. Kinetic energy
    6·1 answer
  • Which is a characteristic of atoms?
    8·2 answers
  • Why are coloures not observed in reflected light with light in the case of thick film?​
    11·1 answer
  • Asap worth 20 points
    10·1 answer
  • A student noticed that the size of the hot pack becomes bigger when magnesium sulfate reacts with water. She thinks that more at
    8·1 answer
  • Determine the number of Au atoms found in 5.18 grams of gold.
    14·1 answer
  • How many grams of CO2 will be produced when 8.50 g of methane react with 15.9 g of O2, according to the following reaction? 
CH4
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!