All categories

3 years ago

if a layer of sandstone is in contact with a mass of granite that contain small pieces of the Sandstone which rock is older

1 answer:

6 0

The sandstone is older.in order for the granite to have been formed with sandstone in its precnese then it had to have already exsisted in that area..making it older.

You might be interested in

If DG for a reaction equals zero, the reaction

Zielflug [23.3K]

Answer: If $\Delta G$ for a reaction equals zero, the reaction is at equilibrium.

Explanation:

When a thermodynamic closed system tends to do the maximum amount of non-expansion work then the energy used to do this work is called Gibb's free energy.

The expression for $\Delta G$ can be written as follows.

$\Delta G = \Delta H - T \Delta S$

where,

$\Delta H$ = enthalpy change

T = temperature

$\Delta S$ = entropy change

This means that $\Delta G$ is the difference between heat released in a process and the amount of heat released in a reversible manner for the same process. So, when the value of of $\Delta G$ comes out to be equal to zero then it means no heat is released or absorbed.

Hence, the reaction is stable or at equilibrium.

Thus, we can conclude that the value of $\Delta G$ = 0 then it means that the reaction is at equilibrium.

5 0

3 years ago

Given the unbalanced equation below, how many moles

Svet_ta [14]

Answer: 6 mol Li

Explanation:

The first step is to balance the equation.

2Li+Cl₂⇒2LiCl

We would need our conversions to find the amount of moles of Li needed to produces 6 mol LiCl.

$6molLiCl*\frac{2molLi}{2molLiCl} =6molLi$

8 0

3 years ago

A property of matter will stay the same during a physical change

Zolol [24]

False, a physical change means that the property of matter will change size, shape, color, or density. These are all examples of physical change.

4 0

3 years ago

In a single displacement reaction between sodium phosphate and barium, how much of each product (in grams) will be formed from 1

weeeeeb [17]

Answer:

A. 3.36g of Na.

B. 14.62g of Ba3(PO4)2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

3Ba + 2Na3PO4 → 6Na + Ba3(PO4)2

Next, we shall determine the mass of Ba that reacted and the mass of Na and Ba3(PO4)2 produced from the equation.

This is illustrated below:

Molar Mass of Ba = 137g/mol

Mass of Ba from the balanced equation = 3 x 137 = 411g

Molar mass of Na = 23g/mol

Mass of Na from the balanced equation = 6 x 23 = 138g

Molar mass of Ba3(PO4)2 = (3 x 137) + 2[31 + (4x16)] = 411 + 2[31 + 64] = 601g/mol

Mass of Ba3(PO4)2 from the balanced equation = 1 x 601 = 601g

Summary:

From the balanced equation above,

411g of Ba reacted to produce 138g of Na and 601g of Ba3(PO4)2.

A. Determination of the mass of Na produced by reacting 10g of Ba.

From the balanced equation above,

411g of Ba reacted to produce 138g of Na.

Therefore, 10g of Ba will react to produce = (10 x 138)/411 = 3.36g of Na.

Therefore, 3.36g of Na is produced.

B. Determination of the mass of Ba3(PO4)2 produced by reacting 10g of Ba.

From the balanced equation above,

411g of Ba reacted to produce 601g of Ba3(PO4)2.

Therefore, 10g of Ba will react to produce = (10 x 601)/411 = 14.62g of Ba3(PO4)2.

Therefore, 14.62g of Ba3(PO4)2 is produced.

7 0

3 years ago

Nitrogen trioxide ionic covalent or both

lesya692 [45]

Answer:

that's all I can do

your welcome

8 0

3 years ago