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skad [1K]
3 years ago
7

Which acid and base react to form water and sodium sulfate?

Chemistry
1 answer:
joja [24]3 years ago
3 0

Answer:

acid: sulphuric acid (H2SO4)

base: sodium hydroxide (2NaOH)

Explanation:

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The image shows two opposite forces acting on a rolling cart, what can we say is true about the effect on the forces on the cart
bonufazy [111]

Question options:

1. It cannot be determined without knowing which man is stronger.

2. The forces are unbalanced, and net force on the cart moves it to the left.

3. It cannot be determined because one man is taller than the other.

4. The forces are unbalanced, and net force on the cart moves it to the right.

Answer:

<em>2.The forces are unbalanced, and net force on the cart moves it to the left.</em>

Explanation:

In the image, two opposite forces acting on a rolling cart. The person on the right side exerting more force (50N) toward the left than the person on the left side (10N). The more the force applying on the object, it will drag on the followed direction.

It is because the person on the right side exerting force  (50N) toward the left, rolling cart will moves to the left.

6 0
2 years ago
A balloon that had a volume of 3.50 L at 25.0°C is placed in a hot room at 40.0°C. If the pressure remains constant at 1.00 atm,
choli [55]

Answer:

3.676 L.

Explanation:

We can use the general law of ideal gas: PV = nRT.

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R  is the general gas constant,

T is the temperature of the gas in K.

If n and P are constant, and have different values of V and T:

(V₁T₂) = (V₂T₁)

Knowing that:

V₁ = 3.5 L, T₁ = 25°C + 273 = 298 K,

V₂ = ??? L, T₂ = 40°C + 273 = 313 K,

Applying in the above equation

(V₁T₂) = (V₂T₁)

∴ V₂ = (V₁T₂)/(T₁) = (3.5 L)(313 K)/(298 K) = 3.676 L.

7 0
3 years ago
When storing parts outside it is best to keep them under tarps or wrapped to stay in compliance. T or F
alex41 [277]

Answer : True

Explanation : When storing parts outside it is best to keep them under tarps or wrapped to stay in compliance is true, because when we store the parts outside the house there are high chances of the parts getting exposed to environmental moisture. Which will develop rust on the parts and make it useless later on. To avoid this situation it is safer to keep it covered under the tarps or wrap it with something which can protect it from moisture.

6 0
3 years ago
Read 2 more answers
How many mmoles are in 8.34 mol ?
borishaifa [10]

Answer:

8.34 moles

Explanation:

We are given 8.34 moles.

We need to find moles: 8.34

4 0
3 years ago
Explain why transition metals do not have a predictable pattern for the
Contact [7]

Explanation:

Many transition metals cannot lose enough electrons to attain a noble-gas electron configuration. In addition, the majority of transition metals are capable of adopting ions with different charges.

3 0
2 years ago
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