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melamori03 [73]
3 years ago
7

Find the speed of a mouse that runs 33 feet in 3 seconds.

Chemistry
1 answer:
NeTakaya3 years ago
6 0
The speed of the mouse is 11 ft/s
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Balancee por tanteo las siguientes ecuaciones químicas. Escriba el nombre a reactantes y productos. H2O5 + H2O ---> HNO3 Na2O
Elan Coil [88]

Answer:

a. N₂O₅ + H₂O ⇒ 2 HNO₃ (pentóxido de dinitrógeno + agua ⇒ ácido nítrico)

b. Na₂O + H₂O ⇒ 2 NaOH (óxido de sodio + agua ⇒ hidróxido de sodio)

Explanation:

Tenemos que balancear, por el método de tanteo, las siguientes ecuaciones químicas.

a. En la primera reacción, el pentóxido de dinitrógeno reacciona con agua para formar ácido nítrico. Es una reacción de síntesis o combinación.

N₂O₅ + H₂O ⇒ HNO₃

Podremos obtener la ecuación balanceada si multiplicamos HNO₃ por 2.

N₂O₅ + H₂O ⇒ 2 HNO₃

b. En la segunda reacción, óxido de sodio reacciona con agua para formar hidróxido de sodio. Es una reacción de síntesis o combinación.

Na₂O + H₂O ⇒ NaOH

Podremos obtener la ecuación balanceada si multiplicamos NaOH por 2.

Na₂O + H₂O ⇒ 2 NaOH

3 0
2 years ago
A cube has sides of 11.4 cm. What is its volume?
9966 [12]
It is A) 1,482 cm3  ..............
4 0
3 years ago
The length of time required for half of the radioactive atoms in a sample to decay is its. A. half-life. . B. relative date. . C
Kobotan [32]
The length of time required for half of the radioactive atoms in a sample to decay is its <span>half-life. The correct option among all the options that are given in the question is the first option or option "A". The other choices are incorrect and can be easily neglected. I hope that this is the answer that has come to your help.</span>
8 0
3 years ago
What is the average atomic mass of an element with isotopes a b and c?
cestrela7 [59]
Amm=(%of a × mass of a + %of b ×mass of b +%of c × mass of c)/100
5 0
3 years ago
Read 2 more answers
How many grams of sucrose would you add to water to make a total of 2.1 L of 9 % solution (mass per volume)? Make your answer's
s344n2d4d5 [400]

Answer : The mass of sucrose added to water will be, 189.0 grams.

Explanation :

As we are given that 9 % solution (mass per volume) that means 9 grams of sucrose present in 100 mL volume of solution.

Total given volume of solution = 2.1 L = 2100 mL    (1 L = 1000 mL)

Now we have to determine the mass of sucrose in solution.

As, 100 mL of solution contains 9 grams of sucrose

So, 2100 mL of solution contains \frac{2100mL}{100mL}\times 9g=189.0 grams of sucrose

Therefore, the mass of sucrose added to water will be, 189.0 grams.

8 0
3 years ago
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