Ask question

Ask question

All categories

3 years ago

13

You are given a cube with the length of 2.5 cm , a width of 2.5 cm , and a height of 2.5 cm. You place it on the scale, and its

mass is 295 g. Calculate the density. Please show your work.

1 answer:

kakasveta [241]3 years ago

8 0

Density is equal to the mass divided by the voulme.
So: 2.5 multiplied by 2.5 by 2.5.
Then: 295 divided by 16.625=18.88g/cm to the power 3

You might be interested in

If a hockey puck is made to slide along a straight line on a completely frictionless surface, which statement about the motion o

JulsSmile [24]

The hockey puck will continue in the same speed in a continues straight line

3 0

3 years ago

Read 2 more answers

A buffer consists of 0.45 M CH3COOH (acetic acid) and 0.35 M CH3COONa. The Ka of acetic acid is 1.8 x 10-5 . a) Calculate the pH

Zigmanuir [339]

Answer:

A) pH of Buffer solution = 4.59

B) pH after 5.0 ml of 2.0 M NaOH have been added to 400 ml of the original buffer solution = 4.65

Explanation:

This is the Henderson-Hasselbalch Equation:

$pH = pKa + log\frac{[conjugate base]}{[acid]}$

to calculate the pH of the following Buffer solutions.

8 0

3 years ago

A 94 kg zebra is traveling 12 m/s east. What is the zebra’s momentum?

ss7ja [257]

1128 is the momentum for this. i think

4 0

3 years ago

What are three ways in which a metal is different to a non-metal?

elena-14-01-66 [18.8K]

Answer:

1)non.metals gain electron but metals lose electron.

2)metals are good conductor of heat and electricity but non.meatals are bad conductor of heat and electricity.

3)most of metals are shiny but non .metals are not.

4 0

3 years ago

Read 2 more answers

Classical name for chromium(III) phosphate

prohojiy [21]

If by classical you mean formula name it is CrPO4<span>.</span>

8 0

3 years ago