Answer this question please

Chemistry

2 answers:

vodka [1.7K]3 years ago

5 0

Answer:

that would be fiveeeeeeee (B)

Explanation:

Luden [163]3 years ago

3 0

A. 5 It can either 3 or 5 you search it up in google

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Use Table 1: Analysis of Decay in the laboratory guide to answer this question: Scientists find a piece of wood that is thought

sashaice [31]

1/2=5750 years, 1/2(1/2)=1/4, (1/2)(1/2)(1/2)=1/8, (1/2)(1/2)(1/2)(1/2)=1/6
4 halflives have passed so 4(5750)=23000 years since the tree was chopped down
1000000 atoms (1/2)=500000 atoms(1/2)=250000(1/2)=125000(1/2)=62500 atoms would remain in the wood after 4 halflives
Dinosaurs became extinct around 62 million years ago, so if 14C's half life has a value of 5750 years, it would be gone or in such small amounts that dating would be ineffective today.
As Potassium decays into Argon in 1.3 billion years, apart from volcanic activity, it would enable geologists to effectively date things that are really, really, really old.

8 0

3 years ago

If a pea plant is hybrid for height, this means that

mixas84 [53]

Answer:

Explanation:

By nature, a hybrid has one dominante allele and one recessive allele

6 0

3 years ago

True or false: Alkali Metals tend to bond with themselves

kondaur [170]

False. They may bond with Alkaline Earth metals

8 0

4 years ago

18.0 mL of water contains 6.022 x 1023 water molecules. How many hydrogen atoms are in 1.00 L of water? (Each water molecule, H2

brilliants [131]

Solution :

lt is given that in 18 mL of water their are $6.022\times 10^{23}$ water molecules.

We know, that 1 molecule of water contains 2 atoms of hydrogen.

Hydrogen atom in 18 mL water is,

$2\times 6.022\times 10^{23} = 12.044 \times 10^{23}$ .

So, number of hydrogen atoms in 1 L = 1000 mL are :

$N = \dfrac{1000}{18}\times 12.044\times 10^{23}\\\\N = 6.69 \times 10^{25}\ atoms$

Hence, this is the required solution.

3 0

3 years ago

Be sure to answer all parts. Consider the reaction A + B → Products From the following data obtained at a certain temperature, d

worty [1.4K]

Answer : The order of reaction with respect to A is, first order reaction.

The order of reaction with respect to B is, zero order reaction.

The overall order of reaction is, first order reaction.

Explanation :

Rate law is defined as the expression which expresses the rate of the reaction in terms of molar concentration of the reactants with each term raised to the power their stoichiometric coefficient of that reactant in the balanced chemical equation.

For the given chemical equation:

$A+B\rightarrow Products$