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grigory [225]
3 years ago
9

What is the date that amarica started nuclier sciences

Chemistry
2 answers:
Rom4ik [11]3 years ago
5 0

Answer:

can you help

Explanation:

sleet_krkn [62]3 years ago
3 0

Answer:

1939

Explanation:

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What is the overall charge on the compound, sodium hydroxide?
Effectus [21]

Answer:

Sodium Hydroxide is an ionic compound formed by two ions, Sodium Na+ and Hydroxide OH− . In order for these two polyatomic ions to bond the charges must be equal and opposite. Therefore, it take one +1 sodium ions to balance the one -1 hydroxide ion. This will make the formula for Sodium Hydroxide NaOH

Explanation:

5 0
4 years ago
Peppa Roney works in a pizza parlor. Her job is to make the pizzas with the proper amount of toppings so that every slice has ex
posledela

Answer:

191 packages of pepperoni

Explanation:

Each pizza would have 13 slices and 15 pieces of pepperoni on each one.

(because same amount of pepperoni and olives)

13 × 15 so each pizza has 195 pieces of pepperoni

138 (number of pizzas) × 195 (pieces of pepperoni)

26910 (pieces of pepperoni) / 141 (amount in each package)

= 190.85

so 191 packages

5 0
4 years ago
Four flasks each contain 100 milliliters of aqueous solutions of equal concentrations at 25°C and 1 atm.
KonstantinChe [14]

Answer:

KCl and Ba(OH)₂.

Explanation:

Hello there!

In this case, since electrolytes are substances characterized by presence of covalent bonds between the atoms forming the compound, it is possible to realize that just KCl and Ba(OH)₂ as they are species composed by cations (K and Ba) and anions (OH and Cl); therefore, they have the capacity to get ionized in aqueous solution and thus transfer electricity when present.

Best regards!

6 0
3 years ago
Well its an easy one but it hard for me so plz​
lana66690 [7]

Answer:

need more so we can answer

Explanation:

7 0
3 years ago
A technician measures the weight of a reagent . The weight is 3269 g. What is the weight in kilograms ? Write your answer as a d
Georgia [21]

Answer:

3.269 kg

Explanation:

1000g = 1 kg. Since kg is the larger unit, you need to divide by 1000 to get kilograms. You can do the problem as a unit conversion:

3269 g × <u>1 kg</u>  =  3.269 kg

                1000g

Hope this is helpful!

5 0
3 years ago
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