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guapka [62]
2 years ago
6

Help meee, if u help me i give u a pizza :)

Chemistry
1 answer:
kompoz [17]2 years ago
6 0
Give me 25 minutes and I’ll have the answers :)
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20 points! So I got this lab report to do and I need some more info it's about lab safety got any info I can use! :) If so, Than
FromTheMoon [43]
Don’t eat or drink in labs

Dress for the lab; don’t wear open toed shoes

Dispose of lab waste properly

No horse play

Don’t taste or sniff things in the lab

Tire your hair back
8 0
3 years ago
The lightest weight that is not a gas
frez [133]

Answer:

Lithium

Explanation:

I believe it is Lithium. It can easily be cut with a knife and is the 3rd lightest non gas on the periodic table that is not a gas.

7 0
3 years ago
If 25.4 grams of water react to form 2.8 grams of hydrogen, how many grams of oxygen must simultaneously be formed?
aalyn [17]
The mass of oxygen and hydrogen must be equal to the mass of the substance they create the water. So if the hydrogen is 2.8 g the oxygen must account for the rest of the mass. Basically just subtract 25.4-2.8=mass of oxygen
5 0
3 years ago
Read 2 more answers
is the metal clip on the seatbelt in the summertime have a higher specfic heat or does the fabric on the seat belt?
SOVA2 [1]
Yes because metal is more attracted to heat from the sun
5 0
3 years ago
What is the mass number of an atom containing 35 protons and 45 neutrons?
vodka [1.7K]

Answer:

Explanation:

1. Weight = 35 P and 45 N = 80

2. Atom:  35P = 35 electrons

3. Bromine

4. It's a non metal. It's in column 17. It will gain 1 electron (normally).

5. Ion: 35 protons, 36 electrons

6. Charge: - 1 usually, but there are exceptions

7. Anions go to the Anode. The anode attracts minus charged elements.

8. In an uncharged state, element 36 would be next. That would be  Krypton which is always uncharged. It is a noble gas.

6 0
3 years ago
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