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seropon [69]
2 years ago
10

Use the chemical equation to find the answers. H2CO3 → H2O + CO2

Mathematics
2 answers:
Viktor [21]2 years ago
5 0

Answer:

Identify how many oxygen atoms are in the product: 3

Identify how many oxygen atoms are in the reactant: 3

bogdanovich [222]2 years ago
3 0

Step-by-step explanation:

H2CO3=carbonic acid -(found in many sodas and "fizzy" drinks)

h20=water

CO2=cardon dioxide

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Mr. Snow bought 90 grams of Christmas candy for each of his 14 grandchildren. How many total kilograms of candy did he buy?
nignag [31]

Answer:

1.26 kg.

Step-by-step explanation:

We have been given that Mr. Snow bought 90 grams of Christmas candy for each of his 14 grandchildren. We are asked to find the amount of candy bought by Mr. Snow in kilograms.

First of all, we will find the amount of candy in grams by multiplying 90 grams by 14 as:

\text{Amount of candy bought in grams}=14\times 90

\text{Amount of candy bought in grams}=1260

We know that 1 kilogram is equal to 1000 grams. To convert 1260 grams into kg, we will divide 1260 by 1000 as:

\text{Amount of candy bought in kilograms}=\frac{1260}{1000}

\text{Amount of candy bought in kilograms}=1.26

Therefore, Mr. Snow bought 1.26 kilograms of candy.

7 0
2 years ago
a school baseball team raised $810 for new uniforms. each player on the team sold one book of tickets. There were 10 tickets in
antiseptic1488 [7]
27
Multiply 10 and 3 because thats how much each book is worth.
Then divide 810 by 30
The answer is 27
6 0
2 years ago
A museum has a 1/1000 scale model of the Grand Canyon, complete with a miniature river in the bottom. Explain how you could use
defon
Provide the approximated measurement to associate the volume of water.
3 0
2 years ago
Use the discriminant to answer the questions. 32x - 4 = 4x2 + 60 For the equation shown, choose the description of the solutions
sp2606 [1]

One real, rational, Option A

8 0
2 years ago
Read 2 more answers
A doctor recommends a two-step process to treat a rare form of pancreatic cancer. The first method is successful 80% of the time
Rudiy27

Answer:

The answer is 15%.

Step-by-step explanation:

The probability that:

  • Both treatments are successful:

       80% x 90% = 72%

  • The first method is a success, but the second one is not:

        80% x (1 - 90%) = 8%

  • The first method is not successful, but the second one is:

        (1 - 80%) x 25% = 5%

  • Both treatments are unsuccessful:

        1 - (72% + 8% + 5%) = 15%

5 0
2 years ago
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