1 year ago

Problems that I am stuck on! Need the answers asap

Chemistry

1 answer:

Anna71 [15]1 year ago

6 0

Answer:

1.b

2.b

3.a

4.a

Explanation:

use the rate laws when answering this.

You might be interested in

Calculate the number of molecules in 100. g of O2 *

Sindrei [870]

I am pretty sure the answer is 6.25 molecules
See picture for explanation

6 0

3 years ago

Calculate the molar concentration of the Br⁻ ions in 0.51 M MgBr2(aq), assuming that the dissolved substance dissociates complet

Y_Kistochka [10]

MgBr2(aq) is an ionic compound which will have the releasing of 2 Br⁻ ions ions in water for every molecule of MgBr2 that dissolves.
MgBr2(s) --> Mg+(aq) + 2 Br⁻(aq)
[Br⁻] = 0.51 mol MgBr2/1L × 2 mol Br⁻ / 1 mol MgBr2 = 1.0 M
The answer to this question is [Br⁻] = 1.0 M

6 0

2 years ago

State the color of methyl orange in a sample of NaOH

devlian [24]

I just need points I hate my sister

5 0

2 years ago

Which equation correctly relates kinetic energy mass and velocity

jolli1 [7]

Answer: The equation for kinetic energy is $\frac{1}{2}mv^2$

Explanation:

Kinetic energy is the energy possessed by the virtue of object's motion. It is defined as the work needed to move a body of a given mass from rest to its velocity.

Mathematically,

$K.E.=\frac{1}{2}mv^2$