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fomenos
3 years ago
12

Object A has a mass of 40g and a volume of 30mL and object B has a mass of 15 g and a volume of 20 mL. What will happen when bot

h objects are placed in water?
A. Object A will float because its density is less than water
B. Object B will sink because its density is greater than water
C. Object A will sink because its density is greater than water
D. Objects A and B will both float because their density is the same as water
Chemistry
2 answers:
denis23 [38]3 years ago
4 0

Answer:

money

Explanation:wud this weekend

WARRIOR [948]3 years ago
3 0

Answer:

The answer is option A

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Is filling up beakers with 200ml of water bad
iogann1982 [59]

Answer:

No

Explanation:

Filling a beaker 200ml of water is not bad because Each beaker's capacity may vary according to the size of different beaker.

6 0
4 years ago
5. A standardized mass was known to weigh exactly 5.0000g. It was weighed on a newly
sergey [27]

Answer:

Absolute error = 0.001

% Error = 002 5

Explanation:

The absolute error is the the difference in the measured value and the actual value of a quantity.

Here the actual value is 5.0000 grams

The measured value is 5.001 grams

Absolute error

5.001 - 5.000\\= 0.001

Percent error

= \frac{AE}{AV}

Where AE stands for absolute error and AV stands for absolute value.

= \frac{0.001}{5.000} * 100\\

= 0.02 %

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3 years ago
At the ph found in cells (about 7.0) what happens to the amino group on an amino acid
Andrew [12]
This means that the amino acid is neutral due to the pH equals 7
6 0
3 years ago
I need help please!!! Name the parts making up the female part of the flower and state what each part does. Please use your own
Greeley [361]
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<em>The female part is the pistil. The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style.</em>

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6 0
3 years ago
Balance this equation. if a coefficient of "1" is required, choose "blank" for that box.
blondinia [14]
Step 1: Write Imbalance Equation

                            CH₃CHO  +  O₂    →    CO₂  +  H₂O

Step 2: Balance Carbon Atoms:
                                                 There are 2 carbon atoms at reactant side and one at product side. So multiply CO₂ with 2 to balance them. i.e.

                             CH₃CHO  +  O₂    →    2 CO₂  +  H₂O 

Step 3: Balance Hydrogen Atoms:
                                                      There are 4 hydrogen atoms at reactant side and 2 Hydrogen atoms at product side. So, multiply H₂O by 2 to balance Hydrogen on both sides. i.e.

                    CH₃CHO  +  O₂    →    2 CO₂  +  2 H₂O

Step 4: Balance Oxygen Atoms:
                                                   There are 3 Oxygen atoms at reactant side and 6 Oxygen atoms at product side. In order to balance them multiply O₂ on reactant side by 2.5 (5/2). i.e  

                    CH₃CHO  +  5/2 O₂    →    2 CO₂  +  2 H₂O

Step 6: Eliminate Fraction:
                                         Multiply overall equation by 2 to eliminate fraction. i.e. 

                    2 CH₃CHO  +  5 O₂    →    4 CO₂  +  4 H₂O
7 0
3 years ago
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